Answer:
D.) DNA
Explanation:
A gene is a short section of DNA. Your genes contain instructions that tell your cells to make molecules called proteins. Proteins perform various functions in your body to keep you healthy. Each gene carries instructions that determine your features, such as eye colour, hair colour and height.
D, because skin tans to help us stand being in the sun without getting burned.
An example of physiological adaption is being able to digest milk. Before, humans were not able to digest milk before we developed enzymes that now make us have the ability to do so, thus allowing us another food source.
Hydroxyl groups make sugars more water soluble. Your answer is B
Answer:
Cell theory is not a law because cell theory does not have enough support to become a law.
Explanation:
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