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Finger [1]
2 years ago
7

Which statement best describes how Watson and Crick's model used other scientists work to create a model of DNA?

Biology
2 answers:
Akimi4 [234]2 years ago
6 0

Answer:

its b They used Franklin's photo to determine that DNA was a double helix.

Explanation:

i did the test

Tanya [424]2 years ago
3 0

Answer:

b.

Explanation:

They used Franklin's photo to determine that DNA was a double helix.

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Within the capillaries of the lungs, gases are exchanged by diffusion; oxygen diffuses from the _____ to the ____ and carbon dio
navik [9.2K]
I guess that is:
Within the capillaries of the lungs, gases are exchanged by diffusion; O2 diffuses from the alveolus to the bloodstream and CO2 diffuses from the bloodstream to the alveolus.
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3 years ago
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What are the products of photosynthesis? .-.
sukhopar [10]

Answer:

products of photosynthesis are glucose and oxygen

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Which enzyme(s) involved in fatty acid synthesis utilize ATP? Select all that apply.
GREYUIT [131]

Answer:

a. Acetyl CoA carboxylase  

Explanation:

Much of the fatty acids used by the body is supplied by the diet, excessive amounts of carbohydrates and protein obtained from the diet can be converted to fatty acids and stored as triglycerides. Fatty acid synthesis occurs mainly in the liver and mammary glands, and to a lesser extent in adipose tissue and kidney, the process incorporates acetyl CoA carbons into the forming fatty acid chain using ATP and NADPH.

The acetyl portion of acetyl CoA is transported to cytosol as citrate, produced by condensation of oxaloacetate and acetyl CoA, the first reaction of the citric acid cycle, this occurs when the concentration of mitochondrial citrate is high, observed when there is a high concentration of ATP and isocitrate dehydrogenase is inhibited.  The increase of citrate and ATP favors the synthesis of fatty acids, since this pathway needs both. Acetyl CoA should be converted to malonyl CoA. Carboxylation is catalyzed by acetyl CoA carboxylase and requires ATP, this reaction is the regulated step in fatty acid synthesis: it is inactivated by products, malonyl CoA and palmitoyl CoA, and activated by citrate, another regulatory mechanism is reversible phosphorylation of enzyme, which makes it inactive due to the presence of adrenaline / glucagon

6 0
2 years ago
If a dominant allele of one gene, a, is necessary for hearing in humans, and the dominant allele of another gene, b, results in
yKpoI14uk [10]
The correct genotypes of the parents are <span>AaBb and Aabb

In a cross of these two genotypes presented in the image below, 5/8 of the offspring would be deaf.
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3 years ago
How much pesticide will each hawk take in compared to each grasshopper?
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