Catabolite Repression

question 15

Multiple Choice

Catabolite repression:

• A)cells save energy by not making uneeded enzymes
• B)doesn't allow for cells to prioritize consumption of multiple substrates
• C)allows cell growth to continue even after the preferred nutrient is used up
• D)two of these

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Definitions:

NADPH

Nicotinamide adenine dinucleotide phosphate, a cofactor used in anabolic reactions, such as lipid and nucleic acid synthesis, which requires reducing power.

PGA

A common abbreviation with multiple meanings; in a biological context, it could refer to Phenylglyoxylic acid, otherwise, it's often used for Professional Golfers' Association.

PGAL

Phosphoglyceraldehyde, a three-carbon molecule formed in the Calvin cycle of photosynthesis and glycolysis.

ATP

Adenosine triphosphate, a high-energy molecule that stores and transfers energy within cells, crucial for many cellular processes.