MC TUZ Hinai Exam Pracuce questons Questions 13-15. Consider metabolism as a ser

Question

MC TUZ Hinai Exam Pracuce questons Questions 13-15. Consider metabolism as a series of interconnecting segments Organic C Feeder Pathways Biosyn- PathwaysFuelina thesis Buildina CO Products Blooks 13. N and S enter metabolism in the segment(s) containing A. feeder pathways B. fueling pathways C. biosynthesis D. A and B E. B and C Feedback inhibition occurs within the segment(s) containing A. feeder pathways B. fueling pathways C. biosynthesis D. A and B E. B and C 14. The synthesis of nucleic acids is directly dependent upon the segment containing A. feeder pathways 15. B. fueling pathways C. biosynthesis D. B and C F A. B. and C

Explanation / Answer

Hi,

13. C. Biosynthesis pathway. N and S stands for Nitrogen and Sulfur. They are used to synthesize amino acids, cofactor and coenzymes, fatty acids...etc.

14. E. B and C. The feedback mechanisms can regulate the synthesis process. if fuel demand goes down the feedback mechanisms kicks in slowing down the use of glucose to produce ATP or visa versa. If amino acids are needed then the fueling and other organic molecules are driven to synthesize more amino acids and proteins.

15. C. Biosynthesis. Presence of other metabolites and N and S can drive nucleic acid synthesis.

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