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Describe the process of glycolysis. What part of the cell does this reaction take place in?
Answers
Answer: Glycolysis is the metabolic pathway that converts glucose C6H12O6, into pyruvic acid, CH3COCOOH. The free energy released in this process is used to form the high-energy molecules adenosine triphosphate (ATP) and reduced nicotinamide adenine dinucleotide (NADH). Glycolysis is a sequence of ten reactions catalyzed by enzymes.
Explanation: Glycolysis is a metabolic pathway that does not require oxygen. The wide occurrence of glycolysis in other species indicates that it is an ancient metabolic pathway. Indeed, the reactions that make up glycolysis and its parallel pathway, the pentose phosphate pathway, occur in the oxygen-free conditions of the Archean oceans, also in the absence of enzymes, catalyzed by metal.
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Could you please help me on this I could use some correct assistance! Your help would be great ❣️I believe you just have to put yes or no.
Answers
1a. Prokaryotic cells doesn't have a nucleus.
1b. Eukaryotic cells have a nucleus.
Page 2 - Answers2a. Prokaryotic cells doesn't have any membrane-bound organelles since they're single cells.
2b. Eurkaryotic cells have a membrane-bound organelles. If they didn't why would they have a nucleus?
3a. Prokaryotic cells have a plasma membrane.
3b. Eukaryotic cells have a plasma membrane too.
4a. Prokaryotic have circular DNA.
4b. Eukaryotic cells also have DNA.
5a. Prokaryotic cells have cytoplasma.
5b. Eukaryotic cells also have cytoplasma.
6a. Prokaryotic cells have ribosomes.
6b. Eukaryotic cells also have ribosomes.
7a. Most prokaryotic cells have a cell wall. Mostly plant cells have cell walls.
7b. Eukaryotic cells don't have a cell wall. Like I said, plant cells have cell walls.
8a. Prokaryotic are simple cells, since they don't have lots of organelles.
8b. On the other hand, prokaryotic cells are more complex since they have lots of organelles.
9a. Prokaryotic cells are smaller than Eukaryotic cells. They measure in 0.1 to 5.0 micrometers.
9b. Eukaryotic cells are much bigger, measuring in 10-100 micrometers.
10a. Prokaryotic cells are unicellular.
10b. Eukaryotic cells are multicellular.
11a. Prokaryotic cells are in the Monera Kingdom, which consists of bacteria.
11b. Eukaryotic cells are in the animalia, plantae, fungi, and protista kingdom.
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Does a corpse flowers smell meet the definition of an adaptations
Answers
it is the dynamic evolutionary process that fits organisms to their environment, enhancing their evolutionary fitness.
definition: a change or the process of change by which an organism or species becomes better suited to its environment.
Distinguish between diffusion and active transport
Answers
A plant that you are studying has sluggish wound healing abilities as well as an inability to store significant food reserves. You would like to enhance these properties. If you could enhance the growth of a tissue to improve these properties, which tissue would you enhance?.
Answers
If you are studying a plant that has sluggish wound healing abilities and an inability to store significant food reserves, enhancing the growth of meristematic tissue can improve these properties.
Meristematic tissue is responsible for plant growth and differentiation, and it is the only plant tissue that is capable of continuous cell division. As a result, any plant that has meristematic tissue can recover from damage more quickly and more efficiently. Wound healing abilities can be enhanced by promoting the growth of new cells to repair the damaged tissue.In plants, meristematic tissues are found in the tips of stems, roots, and leaves. The apical meristem is located at the tip of the shoot, and the lateral meristem is located along the sides of the stem.
The root meristem is located at the tip of the root. Since the apical meristem is responsible for growth in the stem, enhancing the growth of this tissue will promote faster wound healing in the stem. Similarly, enhancing the growth of the root meristem will promote faster wound healing in the root.Therefore, the long answer is that by enhancing the growth of meristematic tissue, the plant will have improved wound healing abilities as well as an ability to store significant food reserves.
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Which substances leave the blood by diffusing directly through the plasma membrane of endothelial cells? Check all that apply Check All That Apply O Окудеn O Sterold hormones O Carbon dioxide O Electrolytes O Large proteins O Glucose
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Option A, B, and C: oxygen, steroid hormones, and carbon dioxide are the substances that leave the body by diffusing through the plasma membrane of endothelial cells.
While some molecules, like carbon dioxide and oxygen, can diffuse over the plasma membrane on their own, other molecules require assistance to traverse the membrane's hydrophobic interior. Facilitated diffusion is the process by which molecules move across the plasma membrane with the aid of membrane proteins like channels and carriers. Substances like oxygen and steroid hormones also undergo diffusion.
Since they control which chemicals can pass through and how much of each material can enter or leave at one moment, cell membranes are selectively permeable. The capacity of cells to absorb nutrients, remove wastes, and maintain a stable internal environment distinct from the external environment depends on selective permeability so as to maintain homeostasis.
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Food-borne illness outbreaks can be caused by microorganisms such as bacteria, viruses, protists, or tiny worms. food-borne illness outbreaks have occasionally occurred on cruise ships. determine whether each outbreak was caused by bacteria, viruses, protists, or tiny worms. (can use microorganisms more than once.)
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The most frequent source of food-borne disease is bacteria. These little, single-celled creatures are ubiquitous.
Another frequent cause of outbreaks of food-borne illness is viruses like the norovirus or hepatitis A.
Viruses can travel on any sort of food, but they need a living host like a person or animal to exist and multiply. People become ill after consuming food that has been tainted with a virus.
Parasites are living things that reside on or in humans or other animals. When people drink or eat something that contains the parasites, they are then passed to humans.
Small, single-celled bacteria called protozoa are present in both food and water. The majority of protozoa are helpful to people, but some, like giardiasis, are dangerous and bring on food-borne illnesses.
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How did photosynthesis help animals evolve different traits
Answers
Answer:
"The rise of oxygen-producing photosynthesis allowed the evolution of complex life forms like animals and land plants around 2.4 billion years ago."
Explanation:
Photosynthesis sustains life on Earth today by releasing oxygen into the atmosphere and providing energy for food chains.
Which of the following features are unique to meiosis?
A) synapsis
B) homologous recombination
C) reduction division
D) A and B
E) A, B and C
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E) A, B and C. Synapsis, homologous recombination, and reduction division are characteristics that are exclusive to meiosis.
What distinguishes the meiotic process?Meiosis and mitosis are distinct from one another in addition to the reduction in the number of chromosomes.Meiosis specifically produces novel genetic material combinations each of the four daughter cells.These novel pairings are the result of DNA switching between linked chromosomes.
What three things are peculiar to meiosis?Homologous chromosomal pairing, crossover, and tetrad formation are among the actions that take place in mitosis but not during mitosis.
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antidiuretic hormone (adh) regulates the formation of concentrated or dilute urine. in which time period is max's body secreting its highest amount of adh? explain your answer.
Answers
Max's body would secrete the highest amount of antidiuretic hormone (ADH) during the nighttime or sleep period.
ADH is a hormone released by the pituitary gland in response to changes in blood osmolarity or fluid volume. Its main function is to regulate the concentration of urine by controlling water reabsorption in the kidneys. When ADH levels are high, the kidneys reabsorb more water from the urine, resulting in concentrated urine.
During sleep, the body goes through a period of decreased fluid intake and increased fluid conservation. The absence of fluid intake during sleep leads to a slight increase in blood osmolarity. In response to this increase, the pituitary gland secretes a higher amount of ADH to promote water reabsorption in the kidneys, preventing excessive urine production.
Furthermore, during sleep, the body's metabolic activities are reduced, allowing the kidneys to concentrate urine more efficiently. This combination of increased ADH secretion and reduced metabolic demands contributes to the body secreting its highest amount of ADH during the nighttime or sleep period.
Overall, the body secretes the highest amount of ADH during the nighttime to ensure water conservation and the production of concentrated urine in response to the reduced fluid intake and increased blood osmolarity that occur during sleep.
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What did miller's experiment prove
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Miller-Urey experiment was a chemical experiment that simulated the conditions of the prebiotic Earth, by testing the chemical origen of life under the conditions of the enviroment in that time. The experiment used water, ammonia, hydrogen, and methane seled inside a sterile 5-liter glass flask to a 0,5-liter flask half-full of water being it continuous exposed to electrical sparks. Miller could show that the prebiotic condition for life in his test produced 11 of the 20 known amino acids, showing that from inorganic simple molecules was the start of origen of life in Earth.
6. you are hiking in your favorite forest when you encounter a surface that appears to have very fine scratches in it. what are these features?
Answers
6.you are hiking in your favorite forest when you encounter a surface that appears to have very fine scratches in it, these feature can be from different factors such as natural storms, animal activity, and diseases, among others or it could be due to human activities like carving or engraving.
A good example of a surface that appears to have very fine scratches in it is tree bark. Tree bark is usually covered with numerous lenticels, which are raised pores used for gas exchange. The formation of scratches on tree bark could be due to different factors such as animal activity, environmental factors like storms or snowfall, and disease outbreak. Apart from tree bark, rock surfaces can also have scratches. Rocks are known to have distinct features that are a result of weathering, erosion, and sedimentation.
A good example of a rock surface with scratches is granite, this is composed of several minerals, including mica, feldspar, and quartz. During the rock formation process, these minerals are subjected to intense heat and pressure, leading to their crystallization. When the rock cools down, its crystals lock in place, leading to different patterns and textures on the rock's surface .In conclusion, encountering a surface with very fine scratches could be due to natural factors like storms, animal activity, and diseases, among others. Alternatively, it could be due to human activities like carving or engraving.
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1.
What is the difference between an independent and dependent variable?
Answers
Answer: An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.
Explanation:
What type of filter was used for size exclusion in Hoof and Mouth experiments?
Answers
In the Hoof and Mouth experiments, a size exclusion filter, also known as a gel filtration or molecular sieve chromatography, was utilized.
This type of filter separates molecules based on their size, allowing researchers to isolate specific components in a mixture. The principle behind size exclusion chromatography is that smaller molecules can enter the pores of the stationary phase, while larger molecules are excluded and elute more rapidly.
This leads to the separation of molecules based on their molecular weight and shape. The stationary phase typically consists of porous beads, which act as sieves, trapping smaller molecules and allowing larger ones to pass through.
By utilizing this filtration method, researchers could obtain purified samples of the virus, which is essential for further study, characterization, and the development of potential treatments and vaccines.
In summary, size exclusion filters, specifically gel filtration chromatography, were used in Hoof and Mouth experiments for the separation and isolation of viral particles like FMDV.
This technique relies on the principle of molecular size and shape separation and plays a critical role in obtaining purified samples for further research.
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why does having many pigments in a leaf allow a plant to maximize the amount og light available for photosynthesis
Answers
Answer:
Multiple pigments absorb different wavelengths of light, allowing the plant to capture the maximum amount of energy from the sun.
Explanation:
In mice, the allele for BROWN FUR (BB or Bb) is completely dominant over the allele for white fur (bb).
In a cross where both parents have white fur, what is the probability for the following genotypes and phenotypes? Please answer in whole numbers.
Answers
Answer:
The process of alleles, even if both are bb there is a very very low chance of it being Bb, but completely impossible of being BB.
Explanation:
The allele table is not 100% correct all the time. just most.
Darwin's theory of natural selection is scientifically tested and accepted while Lamarck's hypothesis is largely inaccurate. Discuss the key differences between Darwin's theory of natural selection and Lamarck's hypothesis. Specifically discuss what each states about- a) where does variation come from? b) how do individuals in a population vary- are individuals all the same in their traits or variable? c) do individuals change and evolve, or do populations change and evolve? d) is evolution progressive towards perfection, is there perfection in individuals?
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a) Variation: Darwin - Random mutations; Lamarck - Acquired traits.
b) Individual Variation: Darwin - Natural variation; Lamarck - Acquired traits.
c) Change and Evolution: Darwin - Populations change; Lamarck - Individuals change.
d) Evolutionary Progress: Darwin - Adaptation, not perfection; Lamarck - Progressive improvement.
a) Darwin's theory of natural selection explains that variation within a population arises from random mutations and genetic recombination. Lamarck's hypothesis, in contrast, suggests that variation comes from acquired traits influenced by the environment and an organism's needs.
b) According to Darwin, individuals within a population exhibit natural variation, meaning they differ from each other in their traits. Lamarck's hypothesis implies that individuals are not inherently variable but can acquire and pass on acquired traits during their lifetime.
c) Darwin's theory states that individuals themselves do not change or evolve within their lifetime. Instead, populations change over time through natural selection, with individuals possessing different traits. Lamarck's hypothesis suggests that individuals can change and acquire new traits during their lifetime, which can then be inherited by their offspring.
d) Darwin's theory rejects the idea of evolutionary progress towards perfection. It emphasizes that evolution is driven by adaptation to the environment, with populations evolving in response to changing conditions. In contrast, Lamarck's hypothesis implies that evolution is progressive, with organisms becoming more complex and better adapted over time.
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Number of votes 5. Suppose you wanted to quickly know who won an election. Would you rather look at a bar graph or a frequency table? Explain.
Answers
To determine who would win, I would glance at a bar chart.
A "t-chart" or two-column table that lists all potential outcomes and the corresponding frequencies seen in a sample is what is known as a frequency table.
Also known as a bar chart, this visual representation of quantitative comparison uses rectangles whose lengths are proportionate to the quantity of the data or items being compared. People may find it simpler to comprehend the significance of the material more quickly with a bar chart as a result. Furthermore, communicating with data presented graphically as opposed to verbally or through text might be more effective and quick.
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The enzyme responsible for maintaining the constant length of chromosomes in sperm and eggs is:__________
Answers
Answer: The enzyme responsible for maintaining the constant length of chromosomes in sperm and eggs is telomerase.
In pea plants, tall is dominant. A tall
plant of unknown genotype is
crossed with a short plant. Of the
offspring, 0 are short and 912 are tall.
What is the genotype of the unknown
parent?
Answers
Genotype of the unknown parent is Tt.
What is the law of dominance in genetics, and how does it apply to the inheritance of traits?
The law of dominance states that when two different alleles for a trait are present in an individual, only the dominant allele will be expressed.
This applies to the inheritance of traits in organisms, where the dominant allele masks the expression of the recessive allele.
What is meant by the term genotype, and how does it differ from phenotype?Genotype refers to the genetic makeup of an individual, which includes the combination of alleles that determine a particular trait.
Phenotype, on the other hand, refers to the observable physical or behavioral characteristics of an organism that result from the interaction between its genotype and its environment.
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Please answer both parts of this question and include a model.
1. Describe this mode of propagation, and draw a model to supplement your description. 2. Explain how it differs from the mode of propagation along the neuron.
Answers
1. In passive propagation, as the action potential goes from the start to the end of an axon, it decays or becomes weaker, and it is the most common method of transmitting electrical signals in neurons. 2. It differs from the mode of propagation along the neuron, the action potential is actively propagated along the axon without decay.
A passive signal can be generated by a receptor or by a spike in the membrane potential of an adjacent neuron. In the neuron, an electrical current flows from the dendrite to the cell body, down the axon and into the terminal, causing a change in the potential across the membrane. The current also generates an electrical field that spreads throughout the surrounding tissue, this electrical field, known as the extracellular potential, decays with distance and is much smaller than the intracellular potential. So therefore a passive signal can be detected by electrodes placed outside the neuron.
An action potential is initiated at the axon hillock, propagated along the axon, and terminates at the presynaptic terminal. In the neuron, an electrical current flows from the dendrite to the cell body, down the axon and into the terminal, causing a change in the potential across the membrane. The current also generates an electrical field that spreads throughout the surrounding tissue, this electrical field, known as the extracellular potential, decays with distance and is much smaller than the intracellular potential. So therefore it differs from the mode of propagation along the neuron, the action potential is actively propagated along the axon without decay.
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How does the water needed to carry out photosynthesis get to leaves?
Answers
Answer:
The xylem
Explanation:
The xylem in the stem transports water and minerals from the ground up the plants, and into cells in the leaves so that photosynthesis can be carried out.
In a scientific
experiment, how
many variables
should be changed
during the
experiment?
A. only one
B. about 3 or 4
C. a dozen or more
D. as many as possible
Answers
Answer:
B: About 3 or 4
Explanation:
Which membranous structures conduct impulses through the sarcoplasm to stimulate the release of calcium?.
Answers
The slower the particles of matter are moving, the lower their
temperature is.
TRUE
FALSE
Answers
Answer:
True
Explanation:
The slower the particles of matter are moving the lower their temperature is.
Lewis is running in a race. His muscles need oxygen. Which best describes how multiple systems interact to bring him into homeostasis?
The circulatory system brings oxygen to the respiratory system, which delivers oxygen to the muscular system.
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the muscular system.
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the skeletal system.
The circulatory system brings oxygen to the respiratory system, which delivers oxygen to the skeletal system.
Answers
Answer:
The circulatory stem brings oxygen to the respiratory system, which delivers oxygen to the muscular system.
Explanation: Hope this helps! :)
Why is the tower much taller than the surrounding landscape
Answers
Answer:
Because a tower is made to look out at the surrounding area, it wouldn't be much use if it was a short tower.
Explanation:
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Which of the following accurately describes the orbits of the planets in the solar system?
Answers
Answer:
Which of the following accurately describes the orbits of the planets in the solar system? ... The orbits are almost on a single plane and the planets revolve around the Sun in the same direction.
Explanation:
Drag each label to the correct location on the image.
A diagram of an animal cell is shown below. Each arrow points to a different organelle. Correctly label each organelle.
ribosome
centriole
smooth
endoplasmic
reticulum
mitochondrion
cell
membrane
rough
endoplasmic
reticulum
PRO
Golgi
apparatus
nucleus
Answers
The label on the animal cells for each organelle is attached below.
What makes up an animal cell?Cell membrane: The cell membrane is the outer layer of the cell. It protects the cell from its surroundings and controls what enters and leaves the cell.
Rough endoplasmic reticulum: The rough endoplasmic reticulum is a network of membranous sacs that are dotted with ribosomes. The ribosomes are responsible for making proteins.
Ribosome: Ribosomes are small organelles that are responsible for making proteins. They are found free in the cytoplasm or attached to the rough endoplasmic reticulum.
Golgi apparatus: The Golgi apparatus is a stack of flattened sacs that are involved in processing and packaging proteins.
Mitochondrion: The mitochondrion is the "powerhouse" of the cell. It produces energy in the form of ATP.
Centrosome: The centrosome is a small structure that contains two centrioles. The centrioles are involved in cell division.
Smooth endoplasmic reticulum: The smooth endoplasmic reticulum is a network of membranous sacs that are not dotted with ribosomes. The smooth endoplasmic reticulum is involved in a variety of functions, including lipid synthesis and detoxification.
Nucleus: The nucleus is the control center of the cell. It contains the cell's DNA, which is the genetic material.
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What might happen if the number of chromosomes within the cells did not change but new daughter cells were still made? (meiosis)
Answers
Answer:
No fertilization occurs.
Explanation:
No zygote is formed if the the number of chromosomes within the cells did not change or remain the same i.e. diploid because for the production of zygote, half number of chromosomes are required in both male and female sex cells or gametes. If the chromosomes are half in both gametes so they fuse with each other forming zygote having diploid cell so we can conclude that for the happening of fertilization process, half number of chromosomes in gametes is necessary if not, no fertilization occurs.
a student analyzing dividing cells of a certain type under the microscope finds that each daughter cell produced contains half the number of chromosomes as its parent cell. given this, cells of this type would most likely contain all of the following except: a. peroxisomes. b. nuclear pore proteins. c. single-stranded genomes. d. microtubule
Answers
Option c is Correct. With the exception of single-stranded genomes, cells of this sort would most likely contain all of the following.
When dividing cells of a certain type are examined under a microscope, the student discovers that each daughter cell has half as many chromosomes as the parent cell. Chemicals released into the PCM by intestinal epithelial cells stimulated the transcription of LEE genes. A cell's nucleus is a tiny, compact substance with a sphere shape.
It is frequently referred to as the "control center" since it manages all cellular functions, including cell division and heredity. The Western blot method is a crucial laboratory procedure for identifying proteins in blood or tissue samples. It aids in the identification of certain protein molecules in a complicated protein mixture.
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