Answers
Answer:
Specialized cells are the cells though they are similar, but cells differ in size, shape and depending upon their function in body.
Example of specialized cells are: Blood cells, Nerve cells, Reproductive cells.
Tissues are made up of specialized cells, those tissues make up organs, organs make up system and systems make up bodies.
Related Questions
PLZ ASAP
A scientist is using a microscope to observe a type of
bacteria.
Which two structures would the scientist most likely see?PLEASE EXPLAIN WHY
A:nucleus and DNA
B:DNA and cell wall
C:cell wall and vacuole
D:vacuole and nucleus
Answers
Answer:
The two structures most likely to be observed by the scientist when looking at a type of bacteria under the microscope are cell wall and vacuole (option C).
Explanation:
Bacteria are prokaryotic organisms that lack a nucleus, most of the organelles, and whose DNA is dispersed in the cytoplasm. Some types of bacteria have a plasma membrane surrounded by a cell wall, and may be equipped with vacuoles to perform their functions.
It is very likely that two structures that are most likely to be differentiated when a type of bacteria is observed under the microscope are the cell wall and the vacuole, according with information above.
The other options are not correct because:
A and D. Bacteria lack a nucleus.
A and B. Bacterial DNA is dispersed in the cytoplasm and is very difficult to observe under the microscope.
Answer:
cell wall vacuole
Explanation:
A population of three-toed sloths in a tropical forest has a maximum per capita growth rate of 0.8 per year. The population size is limited by the carrying capacity of the forest, which is 500 individuals. Which of the following is the growth rate of the sloth population when the population is made up of 275 individuals? [Population growth equations) Choose 1 answer: A 99 sloths per year. ® 220 sloths per year © 374 sloths per year 400 sloths per year
Answers
Therefore, a total of 275 people will contribute without changing the population size by 275 times 0.8, or 220 sloths every year. Here option B is the correct answer.
The per capita population growth rate, or the rate at which the size of the population changes per person in the population, has an impact on population size. The population's rates of birth, mortality, emigration, and migration influence its growth rate.
With 275 people and a per capita growth rate of 0.8, we may infer from this definition that each person will contribute to an increase in the population size of 0.8.
Multiple simultaneous factors can have an impact on population dynamics and growth. The first factor that affects population size is the per capita population growth rate, which measures how quickly the population grows as a whole per person. The population's rates of birth, mortality, emigration, and migration influence its growth rate. The population may experience an exponential increase followed by an exponential decrease if the per capita growth rate is constant.
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NEED ANSWERED ASAP WORTH 30 POINTS
“Activity levels at the end of adolescence are
alarmingly low, and by age 19, they are
comparable to 60-year-olds," says a study
conducted by senior author, Vadim
Zipunnikov, assistant professor in the
Bloomberg School's Department of
Biostatistics. "For school-age children, the
primary window for activity was the afternoon
between two and six P.M. So the big question
is how do we modify daily schedules, in
schools for example, to be more conducive to
increasing physical activity?"
PLEASE ANSWER SOON WORTH 30 POINTS AND PLEASE ANSWER CORRECTLY THIS IS IMPORTANT. THANK YOUUU
Answers
Activity levels decline sharply in late adolescence, equivalent to 60-year-olds. To boost physical activity, we must adapt school schedules to prioritize the afternoon window of 2-6 P.M.
According to a study conducted by Vadim Zipunnikov, the activity levels of individuals at the end of adolescence are shockingly low, comparable to those of 60-year-olds. The study found that the primary window for activity among school-age children was the afternoon, specifically between two and six P.M. This raises an important question: How can we modify daily schedules, particularly in schools, to promote increased physical activity? By addressing this challenge, schools can create an environment that encourages and facilitates physical activity among students. Possible solutions could include incorporating more physical education classes, recess breaks, or after-school sports programs during this crucial time window.By making these changes, we can foster healthier habits and ensure that young people have ample opportunities to engage in physical activities, improving their overall well-being.For more such questions on Activity levels:
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1.A micelle is a spherical structure compose of a single layer of phospholipids. After looking at the different spherical structures in one of your cups, what type of molecules do you think this type of structures will transport
Answers
Answer:
The type of molecule Micelle is likely to transport is Chylomicrons.
Explanation:
Micelles are produced in an aqueous solution, with the polar part facing the micelle's exterior surface and the nonpolar area forming the micelle's core. Both water-soluble and non - polar agents can be delivered via micelles. Because these molecules may enable prolonged and regulated release of macromolecules. In a laboratory experiment, the structure that is likely to be produced after examining different spherical structures is Chylomicrons.
Chylomicrons are tiny lipoprotein globule present in blood and lymph that may be involved in fat breakdown.
what type of energy is created by breaking the bonds ?
Answers
Which number label represents the cell membrane?
1
2
4
6
Answers
Tub and shower floors should be flat and
Answers
Having a flat and properly sloped floor is important to prevent water from accumulating on the surface, which can lead to standing water and create a breeding ground for bacteria and mold. It can also cause damage to the floor and walls over time, as excess moisture can seep into the subfloor and surrounding areas.
In addition to having a flat and sloped floor, it is also important to ensure that the drain is properly installed and functioning. This includes ensuring that the drain is properly positioned and sealed to prevent leaks and that it is clear of any debris or obstructions that could impede the flow of water.
Overall, ensuring that tub and shower floors are flat and properly sloped towards the drain is essential for maintaining a clean and safe bathing environment.
If a normal plant were put in a dark room , why would the Calvin cycle eventually stop
B: the plant would be unable to take in a carbon dioxide
C: the product of the light reaction are needed for the Calvin cycle to occur
D: the Calvin cycle would never stop, unless you stop watering the plant
Answers
Answer:
C
Explanation:
Just took the test good luck
If the normal plant were kept in a dark room then Calvin cycle eventually stop as the product of the light reaction are needed for the Calvin cycle to occur. The correct option is C.
What is Calvin cycle?Carbon atoms from CO2 used to build three-carbon sugars in the Calvin cycle. This process is powered by and dependent on the light reactions' ATP and NADPH.
If the normal plant were kept in a dark room then Calvin cycle eventually stop as the product of the light reaction are needed for the Calvin cycle to occur.
Thus, the correct option is C.
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Chromoplasts have two main functions. Which of the following statements exemplifies one of the functions of a chromoplast?
a The mitochondrion was once a separate prokaryotic cell that were taken in by a larger cell.
b Potatoes are high in starch.
c Red, yellow, and orange peppers are green until they are ripe.
d The green pigment chlorophyll allows a plant to absorb energy from the sun.
Answers
Answer:
C. Red, Yellow, and orange peppers are green until they are ripe.
Explanation:
this question was difficult lol
ANSWER ASAP FOR BRAINLIEST CORRECTLY
Answers
The orbit number of a planet affects its distance from its star and thus its position within the habitable zone. Planets with a higher orbit number are likely to be located farther from their star and may be more likely to be in the habitable zone.
What is orbit number of planets and how does it affect the habitable zone?The orbit number of a planet refers to the number of times it completes one revolution around its star within a certain period of time. This is usually expressed in terms of Earth years. For example, Earth completes one orbit around the Sun in 1 Earth year, while Mars completes one orbit in about 1.88 Earth years.
The habitable zone, also known as the Goldilocks zone, is the region around a star where conditions are just right for liquid water to exist on the surface of a planet. This is important because liquid water is essential for life as we know it.
The position of a planet within its star's habitable zone is affected by its orbit number. Planets that are closer to their star complete their orbits more quickly and therefore have shorter years. This means that they must be located closer to their star in order to maintain a temperature that is suitable for liquid water to exist on their surface. On the other hand, planets that are farther from their star have longer years and must be located farther from their star in order to maintain a suitable temperature.
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What are RNA Primers? And what is their role in DNA replication?
Answers
RNA primers are short dna sequences. In DNA replication, primers pair up with sequences on the lagging and leading strand kickstarting the whole process of replication.
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Compare and contrast meiosis and mitosis. Show at least 5 sentences.
Answers
Mitosis and meiosis are two different kinds of cell cycle reproduction. They have many things in common together, such as being an asexual form of reproduction. Mitosis produces body cells, identical daughter cells that can grow an organism and replace old/dead cells. Meiosis on the other hand makes gametes; or reproductive cells. When mitosis happens, it goes through stage of the mitotic phase known as PMAT. PMAT stands for: prophase, metaphase, anaphase, and telophase; followed by cytokinesis. Meiosis on the other hand, goes through PMAT twice. After mitosis, the product is 2 identical cells, which are used to replace cells or to grow. After meiosis, 4 NON-identical cells are made, which contain HALF the set of chromosomes; hence being called a haploid cell.
Mitosis has only one round of cell division, while meiosis has two. Mitosis only occurs in body cells, while meiosis occurs in sex cells. Mitosis produces daughter cells, that are identical to the parent cell, while mitosis produces haploid/diploid cells that only have half of the normal number of chromosomes.
what is sex education ?
Answers
Answer:Sex education is a form of teaching or counselling to provide knowledge on biological,cultural and moral aspects of human sexuality.
Explanation:Hope it helps u...
Answer:
you give num
Explanation:
i will dsex
Which of the following is not a type of scientific model?
Answers
Answer:
The main types of scientific model are visual, mathematical, and computer models.
Explanation:
What is amylase?
a. acid in the stomach
b. another name for the large intestine
c. an enzyme that breaks down food
d. a nutrient absorbed in the small intestine
I think it is C because it is an enzyme or protein but not a nutrient. Help?
Answers
Answer:
What is amylase?
a. acid in the stomach
b. another name for the large intestine
c. an enzyme that breaks down food
d. a nutrient absorbed in the small intestine
i
Explanation:
Its C
A group of researchers transformed E. coli to express
dsRNA that matched a transcription factor, eaf-1. They
then fed these E. coli to C. elegans worms. When the
researchers examined the C. elegans, they found that
they had fewer offspring and were smaller individuals,
with similar characteristics to C. elegans in which eaf-1
had been knocked out.
The students suggested several hypotheses based on
these observations about how RNAi worked:
1. The dsRNA inhibited gene transcription.
2. The dsRNA inhibited mRNA processing.
3. The dsRNA inhibited translation of mRNA into protein.
4. The dsRNA inhibited protein folding.
Mark this and return
The researchers then performed a series of experiments
to determine which hypothesis was correct. The C.
elegans were found to be transcribing eaf-1 into mRNA,
but not producing eaf-1 protein. When the students
directly injected C. elegans with dsRNA and tracked
tagged mRNA, they found the mature mRNA was
degraded in the cytoplasm, and ribosomes were not
binding to it. Which hypothesis is supported by these
observations?
Answers
The hypothesis that is supported by these observations is that the dsRNA inhibited the translation of mRNA into protein (third option).
What does the experiment reveal about dsRNA?In this experiment, the C. elegans worms were transcribing eaf-1 into mRNA but not producing the eaf-1 protein. This phenomenon shows that dsRNA inhibited the translation of mRNA into protein related to the action of E. coli on the worms.
This also explains why the worms affected by this bacteria had fewer offspring and the offspring were smaller.
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If you wanted to increase the pH of a solution from 5 to 9 what would you need to add to the solution?
Answers
Answer:
To increase the pH of the solution, we would need to add a base
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The entire seiche is under water which occurs during these high wind periods or high lake levels. At the same time, coastal fens are one of Michigan's most imperiled habitats. What effects do you think that the loss of coastal fens has had on Michigan coastlines, coastal properties, plants and wildlife?
Answers
The loss of coastal fens in Michigan has had significant effects on the state's coastlines, coastal properties, plants, and wildlife.
Coastal fens are unique wetland habitats that provide important ecological functions and support a diverse range of plant and animal species.The loss of coastal fens has resulted in the degradation and erosion of Michigan's coastlines. Fens act as natural buffers, absorbing wave energy and reducing the impact of storms and high lake levels. Without the presence of fens, coastal areas are more susceptible to erosion, leading to shoreline retreat, loss of land, and damage to coastal properties.The disappearance of coastal fens has had a negative impact on the plant communities in the region. Fens are home to a variety of specialized plant species that are adapted to the unique hydrological and nutrient-rich conditions of these habitats. The loss of fens has resulted in a decline in plant diversity and the displacement of native species by invasive plants, disrupting the natural balance of coastal ecosystems.The loss of coastal fens has had implications for wildlife populations. Fens provide critical habitat for a wide range of species, including amphibians, reptiles, birds, and mammals. The loss of these habitats has led to the loss of nesting sites, feeding areas, and migration corridors for many species. This can have cascading effects on the overall biodiversity and ecological functioning of coastal ecosystems.The loss of coastal fens in Michigan has resulted in increased coastal erosion, decreased plant diversity, and the disruption of wildlife habitats. Efforts to protect and restore these imperiled habitats are crucial for preserving the ecological integrity and resilience of Michigan's coastlines and supporting the diverse array of plants and wildlife that depend on them.For more such questions on coastal fens
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10. When a fly lands on the leaf of a Venus flytrap and the plant snaps shut this isa form ofA. competition.B. mutualism.C. predation.
Answers
When a fly lands on the leaf of a Venus flytrap and the plant snaps shut this is a form of predation (c) by a carnivorous plant.
What are some of the differences between Eukaryotic and Prokaryotic gene expression? I need several answers.
Answers
Answer:
Prokaryotic
Nucleus is absent
Membrane-bound nucleus absent.
One chromosome is present, but not true chromosome plastids
Unicellular
Lysosomes and Peroxisomes absent
Microtubules absent
Endoplasmic reticulum absent
Mitochondria absent
Cytoskeleton absent
Ribosomes smaller
Vesicles present
Golgi apparatus absent
Chloroplasts absent; chlorophyll scattered in the cytoplasm
Submicroscopic in size Flagella is present and made up of only one fiber
Cell wall chemically complexed
Vacuoles absent
Permeability of Nuclear membrane is not present
Sexual reproduction is absent
Endocytosis and exocytosis are absent.
It may have pili and fimbriae.
Eukaryotic
Nucleus is present
Membrane-bound Nucleus is present.
More than one number of chromosomes is present.
Multicellular
Lysosomes and Peroxisomes present
Microtubules present
Endoplasmic reticulum present
Mitochondria present
Cytoskeleton present
Ribosomes larger
Vesicles present
Golgi apparatus present
Chloroplasts present in plants
Microscopic in size, membrane-bound
Cell wall is present in plants and fungi and chemically simpler
Vacuoles present
Permeability of Nuclear membrane is selective
Sexual reproduction is present
Endocytosis and exocytosis occurred
Pili and fimbriae are absent
Determine which statement about the relationship between genes, DNA and base pairs is correct.
Answers
The correct statement about the relationship between genes, DNA, and base pairs is: DNA is made up of many genes, each of which is made up of thousands of base pairs.
The correct answer is option D.
Genes are segments of DNA that contain the instructions for building and functioning of specific proteins. DNA, on the other hand, is the molecule that carries genetic information in all living organisms. It is composed of a double helix structure made up of nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base. The four nitrogenous bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).
Base pairs refer to the specific pairing of nitrogenous bases in the DNA molecule. Adenine pairs with thymine, and cytosine pairs with guanine, forming complementary base pairs. The sequence of these base pairs along the DNA molecule determines the genetic code and carries the instructions for the synthesis of proteins.
Therefore, the correct relationship is that DNA is made up of many genes, and each gene is composed of thousands of base pairs. Genes serve as the functional units of DNA, encoding the information needed for specific traits and characteristics. The base pairs within the DNA sequence are the building blocks of genes and contribute to the genetic code. Understanding this relationship is essential for studying genetics and the transmission of genetic information from one generation to the next.
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The question probable may be:
Determine which statement about the relationship between genes DNA and base pairs is correct.
A. DNA is made up of these pairs each of which is made up of thousands of genes.
B. Genes are made up of many days peers, each of which is made up of thousands of DNA molecules.
C. Genes are made up of many DNA molecules each of which is made up of thousands of base pairs.
D. DNA is made up of many genes each of which is made up of thousands of base pairs.
Jake has become very anxious ever since he started taking harder classes in his major.
The university's counselor diagnosed him with an anxiety disorder. Compare and contrast how the behavioral, humanistic, and cognitive approaches would view the origins and treatment of Jake's anxiety. Then, describe how psychologists view each of
the three approaches today."
Answers
The behavioral, humanistic, and cognitive approaches provide different perspectives on the origins and treatment of Jake's anxiety.
The behavioral approach would view Jake's anxiety as a learned response that has been reinforced over time. They might suggest that Jake's anxiety is a result of negative experiences or associations with his academic performance, leading to increased anxiety symptoms. Treatment would focus on identifying and modifying maladaptive behaviors through techniques such as exposure therapy and behavior modification.
The humanistic approach would emphasize Jake's self-actualization and personal growth. They might view his anxiety as a result of a discrepancy between his self-concept and the challenges he is facing in his major.
Treatment would involve providing a supportive and empathetic environment where Jake can explore his feelings and values, with the goal of helping him align his personal goals with his academic pursuits.
The cognitive approach would focus on Jake's thoughts and beliefs about his academic performance. They would suggest that his anxiety stems from negative and distorted thinking patterns, such as excessive self-criticism or catastrophic thinking.
Treatment would involve cognitive restructuring, helping Jake identify and challenge irrational thoughts, and developing more adaptive and realistic thinking patterns.
In contemporary psychology, these approaches are not seen as mutually exclusive, but rather complementary. Psychologists recognize that a multidimensional approach, integrating elements from different perspectives, can provide a more comprehensive understanding of psychological issues.
Treatment approaches often combine techniques from various approaches to address the unique needs of each individual, emphasizing a holistic and personalized approach to mental health.
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need answers to 9 and 10
please help!!
Answers
Three disadvantages of cloning.
Cloned animals might not live as long as animals that are not clones.Cloning is a complex and expensive process.Cloning can result in a reduction in genetic diversity, which can make a population more susceptible to diseases and environmental changes.What is the process of cloning?The process of cloning is described as follows:
A nucleus and an egg cell come from a body cell of animal A with its nucleus removed comes from animal B.
An enucleated egg cell from animal B is taken and the nucleus is removed.
The nucleus with DNA from animal A is placed in the enucleated egg cell from animal B.
The cell from animal A with its DNA develops into an embryo.
The embryo develops into a baby animal that is a clone of animal A.
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How many essential amino acids must be obtained from food?
a)8
b)20
c)12
d)26
Answers
Answer:
I believe the answer is c)12
Answer:
8 or 9
Explanation:
1. All forms of matter are composed of a. Cells b. Hydrogen bonds C. Chemical elements d. Acids and basesall forms of matter are composed of
Answers
Answer:
C
Explanation:
All forms of matter (even the acids and bases) are formed from the chemical elements listed on the periodic table.
a. What is the diploid number of the species shown in Figure 1?
b. What is the haploid number of the species?
Answers
Answer:
I hope this helps you
Explanation:
1)This number is abbreviated as 2n where n stands for the number of chromosomes. For humans, the diploid chromosome number equation is 2n = 46 because humans have two sets of 23 chromosomes (22 sets of two autosomal or non-sex chromosomes and one set of two sex chromosomes).
2)Under normal conditions, the haploid number is exactly half the total number of chromosomes present in the organism's somatic cells. For diploid organisms, the monoploid number and haploid number are equal; in humans, both are equal to 23.
The diploid number is 2n no. of chromosomes and thus it is diploid instead of haploid.
This variety is abbreviated as 2n wherein n stands for the variety of chromosomes. For people, the diploid chromosome variety equation is 2n = 46 due to the fact that people have units of 23 chromosomes (22 units of autosomal or non-intercourse chromosomes and one set of chromosomes).Under everyday conditions, the haploid variety is precisely 1/2 of the entire variety of chromosomes gift withinside the organism's somatic cells. For diploid organisms, the monoploid variety and haploid variety are identical; in people, each is identical to 23.What are chromosomes?Chromosomes are thread-like systems placed in the nucleus of animal and plant cells. Each chromosome is made from protein and a single molecule of deoxyribonucleic acid (DNA).
Thus it is clear that the diploid and haploid number of the species depends on the number of chromosomes.
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Which term describes a protein that prevents an operon from being turned on in a prokaryotic cell?
A.
Enhancer
B.
Repressor
C.
Promoter
D.
Operator
Answers
Answer:
B. Repressor.
Explanation:
Hope this helps!
Answer:
The correct answer is B. Repressor.
In prokaryotic cells, an operon is a cluster of genes that are transcribed together as a single unit. The operon consists of a promoter, an operator, and the genes it controls. The operator is a DNA sequence located between the promoter and the genes.
A repressor protein binds to the operator region and prevents RNA polymerase from binding to the promoter and initiating transcription. By binding to the operator, the repressor blocks the expression of the genes in the operon, effectively turning off their transcription.
Therefore, the term that describes a protein that prevents an operon from being turned on in a prokaryotic cell is B. Repressor.
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I will mark Brainliest, just please don't copy and paste
thank you.
Answers
Temperature regulation is the human condition chosen for this project. The human body must maintain a core body temperature of around 37°C, despite environmental temperature changes. The following information answers the questions:
What circumstances surround temperature regulation?Factors that can shift the body temperature include exposure to hot or cold environments, fever, and physical activity.
The organ systems involved in the homeostasis process of temperature regulation are the nervous and endocrine systems, as well as the integumentary (skin), cardiovascular, and respiratory systems.
Negative feedback is used to maintain temperature homeostasis. For example, when the body temperature rises, the hypothalamus signals the sweat glands to secrete sweat, which cools the skin and lowers the body temperature.
The stimulus is the change in body temperature, the receptor is the thermoreceptor in the skin or hypothalamus, the integrating center is the hypothalamus, the effector is the sweat glands or muscles, and the response is sweating or shivering.
Strategies to help maintain temperature balance include wearing appropriate clothing, using heating or cooling devices, and maintaining physical fitness through exercise.
Sources:
Guyton and Hall Textbook of Medical Physiology, 13th edition
Saladin Anatomy and Physiology, 8th edition
Tortora and Derrickson Principles of Anatomy and Physiology, 15th edition
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Please answer the question in the picture
Answers
Answer:
You are correct
Explanation:
The independent variable is the variable changed and the dependent variable is the variable never changed.
Which statement describes a difference between a jellyfish and a frog?
A jellyfish lacks vertebrae, whereas a frog has a spinal cord.
A jellyfish cannot reproduce sexually, but a frog can.
A jellyfish makes its own food, whereas a frog is a heterotroph.
A jellyfish is a prokaryote, whereas a frog is a eukaryote.
Answers
Answer:
A
Explanation: