Question

biochemistry online practice
complete this assessment to review what you’ve learned. it will not count toward your grade.

what process must occur for carbon, hydrogen, and oxygen atoms from sugar molecules to combine with other elements to form amino acids? (1 point)

○ sugar molecules must be rearranged through metabolic pathways to form amino acids.
○ sugar molecules must be stored as fat to be later converted into amino acids.
○ sugar molecules must undergo hydrolysis so they can react with nitrogen to form amino acids.
○ sugar molecules must undergo photosynthesis to produce energy, which can drive amino acid synthesis.

Explanation:

1. Analyze Option 1: Metabolic pathways involve rearranging molecules (like sugars) to form other molecules (like amino acids, which need C, H, O from sugars plus N). This matches the process of using sugar atoms to form amino acids.
2. Analyze Option 2: Storing sugar as fat and later converting fat to amino acids is not the direct process for using sugar atoms to form amino acids. Fat storage is for energy storage, not direct amino acid synthesis from sugar atoms.
3. Analyze Option 3: Hydrolysis breaks down molecules, but amino acid synthesis from sugar atoms involves metabolic rearrangements, not just hydrolysis and reacting with nitrogen. The key is metabolic pathways, not hydrolysis.
4. Analyze Option 4: Photosynthesis is how plants make sugars, not how organisms use sugars to make amino acids. Organisms use cellular respiration/metabolism, not photosynthesis, for amino acid synthesis from sugars.

So the correct option is the first one.

Answer:

A. Sugar molecules must be rearranged through metabolic pathways to form amino acids.