Answer:
C. humus
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Where do the light reactions occur and what do the light reactions produce?
D. in, on and under the thylakoid membranes: ATP and NADPH
The structure that is most responsible for maintain cell homeostasis is the plasma membrane
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Answer:
(D) They are all acids
Explanation:
Amino acids are monomers, fatty acids are polymers and they do not contain nitrogen. All four are acidic in nature for different reasons:
- Amino acids due to acidic carboxyl group -COOH.
- Fatty acids due to end chain acidic carboxyl group -COOH.
- Nucleotides because they have phosphate groups (which are acidic in nature).
- Monosaccharides due to presence of aldehyde group -CHO (which can oxidise to -COOH).