1 Which statement about the relationship between an organism's traits and its genes is true?
A.
An organism's genes are a direct result of its inherited traits.
B.
Genes code for proteins that determine an organism's traits.
C.
Traits code for the proteins that determine an organism's genes.
D.
Genes code for the DNA that determines an organism's traits.
2. A mutation occurs in a sequence of DNA. How could the DNA mutation affect the protein produced?
A.
The chromosomes in the protein could be changed.
B.
The protein would cause other proteins to mutate.
C.
The structure of the protein could be changed.
D.
The mutation could change every protein in the cell.
Answers
Answer:
1. The true statement about the relationship between an organism's traits and its genes is that genes encode the proteins that determine an organism's traits (option B).
2. A DNA mutation can cause the structure of the protein to be changed (option C).
Explanation:
DNA contains the genetic information necessary for the structure and function of living beings. It is a molecule that, once transcribed into mRNA, dictates the rules for protein synthesis.
1. Chromosomes are composed of a DNA molecule, whose segments form the genes that contain specific base sequences to determine a trait.
The information from the DNA is transcribed into the mRNA, which is responsible for carrying it to the cytoplasm where protein synthesis occurs. These proteins formed from the genetic code determine the different traits in living beings. So, genes encode the proteins that determine an organism's traits.
2. Since the DNA contains the information needed to transcribe it into the mRNA and for the mRNA to initiate protein synthesis, any alteration in the DNA base sequence -due to mutation- can be produced:
A transcription of the mRNA with the alteration That during mRNA translation, the codon that forms an amino acid, or that determines the stop of protein synthesis, is changed. The alteration or change, consequently, of the synthesized protein.There is a relationship between the DNA mutation and the structure of the protein being changed.
Related Questions
Higher mental functions, such as planning and complex decision making, take place in the
frontal lobe
parietal lobe
temporal lobe
occipital lobe
somatosensory cortex
Answers
Answer:
Higher mental functions, such as planning and complex decision making, take place in the
A) Frontal Lobe
Explanation:
The Frontal Lobe is responsible for initiating it's cognitive skills; thinking, problem-solving, etc. (Also just took the test and got it right)
In active transport,molecules move__the concentration gradient.
Answers
Answer:
i had forgot the answer to it
Answer:
In active transport molecules against the concentration gradient.
Explanation:
If they moved with the concentration gradient it would be passive transport.
In your own words what are the definitions of:
Geological Oceanography
Physical Oceanography
Chemical Oceanography
Biological Oceanography
Answers
Answer: Oceanography is the study of all aspects of the ocean. Oceanography covers a wide range of topics, from marine life and ecosystems to currents and waves, the movement of sediments, and seafloor geology Geological oceanography is the study of Earth beneath the oceans.
Physical oceanography is the study of physical conditions and physical processes within the ocean, especially the motions and physical properties of ocean waters. Physical oceanography is one of several sub-domains into which oceanography is divided. Others include biological, chemical and geological oceanography.
Chemical oceanography is a broad and complex study of the metamorphosis that the chemicals within oceans, living marine organisms, and the ocean floor undergo. The ocean contains a multitude of chemicals; some are natural, and others are man-made. These chemicals enter the sea in a number of ways.
Biological oceanography is a field of study that seeks to understand what controls the distribution and abundance of different types of marine life, and how living organisms influence and interact with processes in the oceans.
P.s Hope it helped ^^
Why does the water condense in the first tank when the oxygen and nitrogen do not?
Answers
the molecules in those gases have very little kinetic energy to push molecules apart. Because of this, the attraction between the molecules pulls them together and condenses the gases into a liquid, just like the water in the first tank. ... When the nitrogen evaporates, the liquid left behind is mostly oxygen.
How do I amplify a long code of genes?
Answers
Answer:
multiple displacement amplification
In order to survive, animals need to adapt to their environment over many generations. Think about your favorite animal, its physical features, and its environmental challenges. Without doing any outside research, in 3-5 sentences, try to: a) describe what features have likely had to adapt to its environment over time, and b) hypothesize what ways it might have to adapt to environmental changes in the future.
Answers
Cheetahs are one of my favorite creatures.
CheetahsCheetahs' physical characteristics, such as their speed, agility, and razor-sharp claws, have probably evolved over time to help them survive in their habitat.
Cheetahs are swift hunters that can pursue prey in wide-open savannahs. Their keen claws enable them to grip the ground while racing quickly.
Cheetahs may need to adjust to new environmental conditions in the future, including greater competition for food and water and habitat loss brought on by human activities.
They could need to change their hunting techniques, pick other prey, or even broaden their range to encompass new ecosystems.
Additionally, they might need to strengthen their defenses against illnesses and other environmental stresses in order to survive in a changing world.
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3.3 The inheritance of fur colour in cats is sex-linked. The tortoise-shell colour of cats is a combination of black and orange fur. The allele for black fur is represented by X³ and the allele for orange fur is represented by Xº. A female cat with a tortoise-shell colour mates with an orange male cat. HINT: The sex chromosomes/gonosomes in cats are the same as in humans. 3.3.1 Use the symbols X³. X and Y to represent a genetic cross of the mating stated above. Also indicate the proportion of the F₁ phenotypes. Explain why the male kittens can never have the tortoise-shell colour. 3.3.3 Explain why the female kittens can have the tortoise-shell colour. 3.3.2 (7) (2) (2) (11)
Answers
Answer:
The inheritance of fur color in cats is indeed sex-linked. The tortoise-shell color is a combination of black and orange fur. The allele for black fur is represented by X³ and the allele for orange fur is represented by Xº. When a female cat with a tortoise-shell color mates with an orange male cat, the genetic cross can be represented as follows:
Xº Y
X³ X³Xº X³Y
Xº XºXº XºY
The proportion of the F₁ phenotypes would be 1:1 for females (50% tortoise-shell and 50% orange) and 1:1 for males (50% black and 50% orange).
Male kittens can never have the tortoise-shell color because they only inherit one X chromosome from their mother. Since the alleles for black and orange fur are both located on the X chromosome, male kittens can only inherit one or the other, but not both.
Female kittens can have the tortoise-shell color because they inherit one X chromosome from each parent. If they inherit the X³ allele from one parent and the Xº allele from the other parent, they will have both black and orange fur, resulting in a tortoise-shell color.
Explanation:
The diagram below represents the variation that occurs over three generations within a particular population of organisms. Each circle represents an individual organism, and the color of the circle represents one trait, ranging from solid white to dark blue.
Suppose the third generation experiences intense selective pressures and only two of the six organisms live long enough to reproduce. Each of these organisms produces three offspring. The fourth generation is made up of two populations: one with the solid white trait and the other with the dark blue trait.
From this information, which two organisms of the third generation most likely reproduced?
Answers
Answer:
Pure White and Dark Blue
Explanation:
They are the only species in the fourth generation so it would make sense if they reproduced
Biology help me on this problem
Answers
The sensory division of the nervous system plays the role of sensing the internal and external surroundings of the body. Option B.
Sensory division of the nervous systemThe sensory division of the nervous system is a division that oversees the sensing and carrying of signals from both the internal and external organs of the body to the central nervous system.
In other words, the sensory division is responsible for the transmission of impulses from the peripheral organs to the central nervous system.
The work of the sensory division is unique from that of the motor division. The latter is responsible for carrying signals from the central nervous system back to the peripheral organs.
In other words, the sensory and motor divisions of the nervous system work in opposition to each other.
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the burning of coal to generate has been good in some ways and bad in others the electricity has allowed for an improvement in many areas of life but the burning of coal is also responsible for a great deal of pollution which activity helps solve the pollution problem through the use of new technology
Answers
The burning of coal to generate has been good in some ways and bad in others. The electricity has allowed for an improvement in many areas of life but the burning of coal is also responsible for a great deal of pollution.
Pollution problem is solved through the use of new technology such as carbon capture and storage, high-efficiency, low-emissions coal-fired power plants, and renewable energy sources such as solar, wind, and hydroelectric power.Carbon capture and storage is a process that captures carbon dioxide emissions from sources such as coal-fired power plants, transports them to a storage site, and stores them permanently underground.
Carbon capture and storage technology is an important tool in reducing greenhouse gas emissions and mitigating climate change.High-efficiency, low-emissions coal-fired power plants are designed to produce electricity with less coal and fewer emissions than traditional coal-fired power plants. These power plants use advanced technologies to improve the efficiency of the combustion process and reduce the amount of greenhouse gas emissions produced.
Renewable energy sources such as solar, wind, and hydroelectric power produce electricity without burning fossil fuels, so they do not produce greenhouse gas emissions or contribute to climate change. These sources of energy are becoming increasingly popular as the technology advances and the cost of producing electricity from renewable sources continues to decrease.
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Design and organise learning experiences according to your local circumstances when teaching Processing (including traditional processing of raw materials; metal processing; food processing)
Answers
When teaching Processing, it is essential to design and organize learning experiences that align with local circumstances and provide practical applications.
Here is a suggested approach for teaching Processing, including traditional processing of raw materials, metal processing, and food processing, considering local circumstances:
1. Introduction and Contextualization:
Start by introducing the concept of processing and its importance in various industries. Provide examples of local raw materials, metals, and food products that undergo processing. Discuss the significance of processing in the local economy and its impact on society.
2. Field Trips and Industry Visits:
Arrange field trips to local processing facilities such as factories, mills, or food processing plants. These visits offer students firsthand exposure to different processing techniques and machinery. Encourage students to observe and interact with professionals in the field, asking questions and understanding the practical aspects of processing.
3. Hands-on Workshops:
Organize hands-on workshops where students can engage in practical activities related to processing. For example, set up a metalworking workshop where students can learn basic metal processing techniques like cutting, shaping, and welding. Provide guidance on safety measures and proper tool usage.
4. Local Case Studies:
Explore local case studies of successful processing businesses or initiatives. This could involve inviting guest speakers from local processing companies or inviting entrepreneurs who have started their own processing ventures. Students can learn about the challenges, opportunities, and sustainable practices in the local processing industry.
5. Project-Based Learning:
Assign project-based tasks that allow students to apply their knowledge of processing. For example, students could design and develop a prototype for a food processing machine or propose innovative methods to improve traditional processing techniques using local resources. Encourage creativity, critical thinking, and problem-solving skills throughout the project.
6. Community Engagement:
Encourage students to engage with the local community by organizing outreach programs related to processing. This could involve organizing workshops for local artisans or collaborating with local farmers to develop value-added food products. Such activities foster a sense of social responsibility and provide students with real-world experiences.
7. Assessment and Reflection:
Regularly assess student understanding through quizzes, assignments, and presentations. Encourage reflective practices where students can evaluate their own learning journey and identify areas for improvement. Incorporate feedback mechanisms to continuously enhance the learning experiences.
By designing learning experiences that incorporate field trips, hands-on workshops, local case studies, project-based learning, community engagement, and reflective practices, students will develop a holistic understanding of processing and its significance in their local context. This approach will equip them with practical skills, foster creativity, and promote an entrepreneurial mindset, preparing them for future opportunities in the processing industry.
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Help please don’t ignore I’ll mark you as brainliest , name the following organelles
Answers
Answer:
9. ribosomes
10. lysosomes
11. endoplasmic reticulum
12. centrioles
If you ended up with 30 blue, 25, black, 25 brown, 6 yellow, and 4 orange invertebrates, what does this tell you about the type of predator?
Answers
The distribution of invertebrates among different colors suggests that the type of predator targeting them might have color preference or selectivity.
The fact that there are significantly more blue invertebrates (30) compared to black (25), brown (25), yellow (6), and orange (4) indicates that the predator might have a preference for blue-colored prey. This preference is evidenced by the higher number of blue invertebrates captured compared to other colors.
Additionally, the predator seems to show a relatively equal preference for black and brown invertebrates since their numbers are the same. However, it is important to note that the sample size of the invertebrates may affect the observed distribution, and further investigation would be required to draw definitive conclusions.
Understanding the predator's color preference can provide insights into its visual perception and hunting strategies. It could indicate that the predator has developed adaptations to target specific color morphs or that certain colors are more conspicuous or attractive to the predator's visual system.
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what usually accompanies a cold spell in minnesota?
Answers
what are mica and quartz? A. plants B. animals C. soil D. minerals
Answers
Answer:
d. minerals
Explanation:
Biomolecules found in mitochondria
Answers
Answer:
The membranes of mitochondria are made of phospholipids and proteins, both of which are types of biomolecules. Since cellular respiration occurs within mitochondria, another biomolecule that is associated with mitochondria would the carbohydrate that is known as glucose.
Explanation:
Mitochondria are organelles found in most eukaryotic cells that are involved in various cellular processes, including energy production, calcium signaling, and apoptosis. Their biomolecules include tRNA and acetyl-CoA, etc.
What is mitochondria?The mitochondria also contain other important biomolecules, such as lipids and proteins. The lipids found in mitochondria are involved in the formation of the mitochondrial membranes and play a role in maintaining the structure and function of the organelle. The proteins found in mitochondria are involved in a variety of processes, including energy production, mitochondrial dynamics, and signaling. Overall, the biomolecules found in mitochondria play a critical role in the organelle's function and are essential for various cellular processes. Dysfunction of mitochondria or their biomolecules can lead to several diseases, including mitochondrial disorders, neurodegenerative diseases, and cancer.
Hence, biomolecules include tRNA, acetyl-CoA, etc.
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What are the charges both inside and outside of the neuron before you click the stimulate neuron button?
Answers
Answer:
The correct approach is "Negative and Positive".
Explanation:
Just outside of the neurons, the electrostatic interactions seem to be extremely favorable or positive (+) as well as the ion mostly with the greatest proportion was indeed sodium. Throughout intracellular space, a large amount of protein would be negatively charged, or even just potassium channels predominate. Under those same circumstances, the ion channels also seem to be inaccessible.For this specific purpose, this same lying down the neuron, before obtaining a stimulus, introduces positively charged on the external social but instead negative (-) inside though.
The graph below shows the relative rates of enzyme
activity at different temperatures during a chemical
reaction.
Relative rate of
enzyme action
0 10
20 30 40 50 60
Temperature (°C)
According to the graph, what condition is best for enzyme activity?
OA. A temperature of about 25°C
B. A temperature above 30°C
OC. A temperature below 20°C
D. A temperature of about 0°C
Answers
The graph shows that the condition that is best for enzyme activity is A. A temperature of about 25 ° C
What temperature is best for enzymes ?This is because the graph shows that the rate of enzyme activity increases as the temperature increases from 0°C to 25°C. However, the rate of enzyme activity decreases as the temperature increases above 25°C. This is because the enzyme denatures at high temperatures, which means that it loses its shape and function.
The optimal temperature for enzyme activity is different for different enzymes. The optimal temperature for the enzyme in the graph is 25°C.
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The correct answer is A.
From the given graph, the condition that is best for enzyme activity can be inferred as the temperature of about 25°C.
Enzymes are organic molecules that act as catalysts and aid the biochemical reactions that occur in living organisms. Enzymes usually function under specific optimal conditions, including temperature, pH, and salt concentration. Changes in these conditions may affect the enzyme's performance and ultimately cause a decrease or cessation of the reaction's activity.Temperature, in particular, has a significant effect on enzyme activity. The reaction rate increases as the temperature rises until it reaches the optimum temperature, where the enzyme activity is at its peak. As a result, the optimum temperature promotes the highest possible reaction rate, while high or low temperatures may reduce the enzyme's efficacy and cause a decrease in the reaction rate.According to the graph, the optimum temperature for the enzyme activity is approximately 25°C. At 25°C, the relative rate of enzyme activity is maximum, indicating that the enzyme performs optimally at this temperature. In contrast, a temperature of about 0°C would be too low, causing the enzyme to freeze and become inactive. A temperature above 30°C would still be high, causing the enzyme to denature and lose its activity. Lastly, a temperature below 20°C would be too low, causing the enzyme to become inactive due to a lack of energy. Therefore, the optimal temperature for enzyme activity is 25°C.For such more questions on enzyme
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Subject: Biology
Vocabulary/Important People: On a separate sheet of paper define the vocabulary terms and identify the importance of the people below. *Try this without looking the terms up, it helps you study if you try it on your own first.
Dichotomous Key Phylogeny Evolution Charles Darwin Linneaus
Binomial Nomenclature Homologous Structure Analogous Structure Vestigial Structure
Fossil Record
Comparative Embryology Biogeography Molecular Biology Transitional Organism Anatomy
Common Ancestor
Concept Map: Create a concept map (Example below) to identify how the vocabulary terms and people are related within this unit. For each line describe how the items are related. This is an excellent way to study! The more connections and better descriptions you have the more you understand the concept.
Key Concept 1: Patterns of Evolution
Directions: Using your notes and the other activities we have completed, try to describe each of the learning objectives below.
EVO 1.1(a) Use scientific evidence to justify a claim of an evolutionary relationship between species.
EVO 1.1(b) Describe shared
characteristics (homologies) among organisms that provide evidence for common ancestry
EVO 1.2(a) Create or modify models to illustrate evolutionary relationships.
EVO 1.2(b) Use models of evolutionary relationships to describe and/or analyze how different species are related.
Answers
The explanation of the vocabulary terms include:
Dichotomous Key: A tool used in biology to identify organisms by their characteristics, which can be used to narrow down a list of possibilities through a series of choices.
Phylogeny: The evolutionary history of a group of organisms.
Evolution: The process by which populations of living organisms change over time through natural selection, genetic drift, and other mechanisms, leading to the emergence of new species.
Charles Darwin: A British naturalist who proposed the theory of evolution by natural selection and is considered one of the most important figures in the history of science.
Linnaeus: A Swedish botanist and zoologist, who laid the foundations for the modern system of naming organisms called binomial nomenclature.
Binomial Nomenclature: A system of naming organisms using two Latin names, the first representing the genus and the second representing the species.
Homologous Structures: Structures in different organisms that have a similar underlying structure and development, but may have different functions, suggesting they have a common ancestor.
Analogous Structures: Structures in different organisms that have similar functions but a different underlying structure and development, suggesting they have evolved independently.
Vestigial Structures: Structures in organisms that have little or no function in the organism, but have a function in an organism's ancestors
Fossil Record: The remains or traces of organisms from the past, which can provide evidence for the existence and evolution of extinct species.
Comparative Embryology: The study of the developmental stages of different organisms, which can provide evidence for common ancestry.
Biogeography: The study of the distribution of living organisms and fossils across different regions and through time, which can provide evidence for the evolution of species.
Molecular Biology: The study of the molecular basis of biological activity, which can provide evidence for evolutionary relationships between species through the comparison of DNA and protein sequences.
Transitional Organism: An organism that shows characteristics intermediate between two different groups, suggesting it is a link in the evolutionary chain between them.
Anatomy: The study of the structure and organization of living organisms, which can provide evidence for evolutionary relationships between species.
Common Ancestor: A hypothetical ancestor from which two or more species have evolved, inferred from the similarities and differences in their characteristics.
How to explain the vocabulary?To claim an evolutionary relationship between species, scientists use a combination of evidence from paleontology, comparative anatomy, molecular biology and biogeography. For example, the discovery of transitional fossils that show a gradual transition between the characteristics of two different groups of species, the similarities and differences in the DNA sequences of different species, the similarities in the embryological development of different organisms and the distribution of different species in different regions can provide evidence of evolutionary relationships between species.
Homologous structures are structures in different organisms that have a similar underlying structure and development, but may have different functions. These structures provide evidence for common ancestry because they suggest that the organisms with these structures share a recent common ancestor. Examples of homologous structures include the forelimbs of mammals, birds, and reptiles, which all have the same basic bone structure, despite being adapted for different purposes such as flight, grasping, or digging.
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100 words
Have you personally experienced unprofessional behavior from a healthcare provider or coworker in the past? If so, please share the experience and how it made you feel as a patient or coworker.
Answers
I want to help you, I was in the process of answering the question with my own experience. However, this is really personal and it's asking for one of your own experiences. I'm sorry, but you can do it♡
Cheetah have evolved a much higher lung capacity,why
Answers
Cheetah need a large lung capacity because they consume a lot of oxygen while sprinting.
Answer:
Cheetahs have evolved a much higher lung capacity than humans; it helps provide oxygen to all the muscles in the body and allows them to run very fast. ... In this case, it is not because they run fast but because they have a large body and must be able to take up oxygen in accordance with their body size.
Select all that apply
Chromosomes ___?
A. Are located in the nucleus
B. Occur in numbers that are the same for all organisms
C. Occur in numbers that are the same for all members of a certain species
D. Are organized into karyotypes for scientists to analyze
E. Are rod shaped structures that contain DNA
Answers
Answer:
A
Explanation:
A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.
Answer:
A
Explanation:
A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.
What is the function of tRNA?; What is the function of tRNA ?; What is the function of tRNA?; What role does the tRNA play in assembling the amino acids?
Answers
The amino acids must be delivered and deposited in the correct locations by tRNA in order to construct the intended protein. The task of matching amino acids with the appropriate mRNA codons falls to the tRNA molecules.
The role of tRNA is to transport the amino acids and put them in the proper positions so that the intended protein can be produced. Proteins and rRNA make up the ribosomes. Each ribosome is composed of two subunits. In order for the mRNA's coding to be read and translated, they "clamp" the mRNA in place.
Each tRNA molecule has two separate ends; one of them attaches to a particular amino acid, while the other one binds to the appropriate mRNA codon.
Thus, we can conclude that tRNA is required to transport and position the amino acids in the required locations in order to construct the intended protein. The task of matching amino acids with the appropriate mRNA codons falls to the tRNA molecules.
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Fill a bucket about 3/4ths full with water.
Hold the handle of the bucket.
Swing the bucket around in a circle quickly, but at a steady speed and motion, as in the following graphic.
Observe the water as you swing the bucket.
Next, slow down your swing, but at a speed and motion to keep the water in the bucket.
Observe the water at this slower speed.
Questions:
Did the water stay in the bucket or did it spill out?
Was it easier to keep the water in the bucket at a faster or slower swinging speed?
What would happen to the water if you stopped the motion of the bucket while it was turned upside-down?
Describe how Newton's laws of gravity and motion relate to your observations and responses to the questions above.
!!!!I KNOW this is an experiment but try and just answer the questions as best as you can!!!!!
Answers
The water did stay in the bucket. It easier to keep the water in the bucket at a faster swinging speed. The water would spill if you stopped the motion of the bucket while it was turned upside-down.
What precisely are Newton's Laws of Motion?
Unless influenced by an imbalanced force, an object at rest stays at rest, and an object in motion keeps moving in a straight path at a constant pace. An object's acceleration is determined by its mass and the force being applied.
Gravitational law of Newton 1. Each mass draws the other masses to it. 2. The product of their masses determines how attractive they are. When something is dropped, it moves quickly toward the center of the planet. According to Newton's second law, an object's acceleration is caused by a net force acting on it. The gravitational force, often known as an object's weight, is the net force on a falling object if air resistance is minimal.
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(90 POINTS) The three points of cell theory correspond to which signs of life?
point 1. All living things
are composed
of cells.
point 2. Cells are the
fundamental
units of life.
point 3. All cells come
from other
cells.
A. Reproduction and one or more cells
B. Response to the environment and information system
C. One or more cells and information system
D. Information system and complex chemical activities
Answers
Answer:
A) I think
Explanation:
Answer:
b
Explanation:
Put the following mitosis and cytokinesis images in order
Answers
Mitosis and cytokinesis are both stages of the cell cycle. Mitosis is the division of the nucleus, while cytokinesis is the division of the cytoplasm. According to the image below, the order could be 3, 2, 1, 4, and 5.
Stages of Mitosis
1. Chromosomes are replicated and attached to spindle fibers.
2. The nuclear membrane and nucleolus dissolve.
3. The chromosomes line up in the middle of the cell and are pulled apart to opposite sides of the cell.
4. The two daughter nuclei form, each containing an identical set of replicated chromosomes.
Stages of Cytokinesis
1. A cleavage furrow is formed, dividing the cytoplasm into two daughter cells.
2. The cleavage furrow deepens, eventually forming a cell plate, which separates the cytoplasm.
3. The cytoplasm divides into two daughter cells.
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Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answers
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
Question 3 of 10 Which molecule is used up in photosynthesis? A. Carbon dioxide B. Nitrogen C. Sugar D. Oxygen
Answers
Answer:
Carbon Dioxide
Explanation:
"Plants use photosynthesis to capture CO2 to then release half into the atmosphere through respiration"
Why is the cell membrane made of two layers?
Answers
Answer:
When cellular membranes form, phospholipids assemble into two layers because of these hydrophilic and hydrophobic properties. The phosphate heads in each layer face the aqueous or watery environment on either side, and the tails hide away from the water between the layers of heads, because they are hydrophobic.
Explanation:
Right or Wrong procedure: when using microscope under high magnification objective: “if losing the view of specimen under high power objective, go back to the low power objective to find and center it again.”a) Rightb) Wrong
Answers
When using microscope under high magnification objective, it is very hard to find again the specimen if you loose the view of it because it is too magnified and we can easily stray the lens too far from the specimen with a very subtle touch. Therefore, it is recommended to go back to the low power objective and center it again as it is a more secure way to find it.
So, the correct answer is a) Right