Energy Balance in the Cell (ATP/ADP/AMP Levels) Is an Important

question 46

Multiple Choice

Energy balance in the cell (ATP/ADP/AMP levels) is an important factor in the metabolic pathways we have studied. How does this regulation take place?

• A) ATP, ADP and/or AMP bind to DNA to modulate transcription of genes for enzymes involved in metabolism
• B) ATP, ADP and/or AMP bind to enzymes involved in metabolism, allosterically changing the enzyme activity
• C) High levels of ATP result in nonenzymatic phosphorylation of the enzymes involved in metabolism, changing their activity
• D) High levels of ATP result in excessive production of cyclic AMP, causing activation of pathways such as glycogenolysis and gluconeogenesis
• E) None of the above

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