Answer:
A fat molecule is made up of two components:
A glycerol which is the "backbone" of the molecule.
Fatty acids which are attached to the backbone.
Explanation:
Answer: Widespread Respiratory illness
Explanation: Increased use of fossil fuels means more dirty air and less clean air and without clean air your more likely to get a respiratory illness.
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B is the answer .. rna and DNA have to do with it
Answer:
All enzymes have an ideal pH value, which is called optimal pH. Under the optimum pH conditions, each enzyme showed the maximum activity. For example, the optimum pH of an enzyme that works in the acidic environment of the human stomach is lower than that of an enzyme that works in a neutral environment of human blood. All enzymes have an optimum pH that they work best at. Its often neutral pH 7, but not always.
Explanation:
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