Does gluconeogenesis require oxygen (O2)? A. No, carbon dioxide is the only gas

Question

Does gluconeogenesis require oxygen (O2)? A. No, carbon dioxide is the only gas that is a substrate for gluconeogenesis. B. No, oxygen (2) is not a substrate for any of the enzyme-catalyzed reactions. C. Yes, oxygen is required to reduce NAD+ to NADH in gluconeogenesis. D. Yes, gluconeogenesis requires oxygen (O2) to make ATP. Which statement explains why many biochemical processes are carried out via multi- step pathways rather than by single-step reactions? A. Multi-step pathways allow for more control points to regulate biochemical processes. B. Single step pathways are easier to control. C. There is not sharing of intermediates between pathways. D. There is no control over the amounts of energy that are consumed or released. E. Multi-step pathways are less efficient at generating energy.

Explanation / Answer

1. Does glucogenesis require oxygen (O2),

A. No, carbon dioxide is the only gas that is a substrate for glucogenesis

2. The statement which explains why many biochemical processes are carried out via multistep pathways than by single step reactions are,

A. multi-step pathways allow for more control points to regulate biochemical processes.

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