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ale4655 [162]
3 years ago
12

Who discovered the chemical composition of proteins

Biology
2 answers:
Sonbull [250]3 years ago
8 0
It is Linus Pauling.
timofeeve [1]3 years ago
3 0

the answer is Mulder

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A fruit fly egg has 5 chromosomes, how many are in a skin cells?
xxTIMURxx [149]

Answer:

Skin cell has 10 chromosomes.

Sperm cell has 5 chromosomes.

egg cells has 5 chromosomes.

Explanation:

If the fruit fly egg has 5 chromosomes, then the skin has 10 chromosomes because skin has diploid i. e. double number of chromosome. There is always haploid or half number of chromosome present in the sex cells such as sperm and egg cells of any organism. When the sperm and egg cells fuse together they formed the organism which is a diploid i. e. double number of chromosome.

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How and why are dichotomous keys are used
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A dichotomous key is a type of single-access key that gives only two choices at one time, These keys are commonly used in biology in order to identify an unknown animal or plant.

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3 years ago
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Why does the moon appear to change its shape as seen from earth?
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Different parts of the sun lit moon become visible as the moon revolves around earth

This happens because as the moon orbits earth the sun will project light towards it and the reason it seems to glow is because of the reflected light since the moon is white it reflects more light. Think of it as a day and night cycle except it’s on the moon when it becomes night on earth the part of earth facing towards the sun will be lit aka day/morning/afternoon etc
The part of the earth facing away will be dark aka night/midnight/etc.
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What does the body use lipids in fat for
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When your body run out of oxygen your muscle cell must produce some ATP using fermentation and glycolysis.
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brown bears gain weight during the summer months so they can hibernate during winter. is it adaptation or acclimation
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It's acclimation. Adaption is more about changing physically to adjust to the habitat, but the bears eat during the summer and then hibernate so they can adjust to the climate's temperature in order to maintain performance in the environment 
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