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#cellular energy

9 public questions tagged with this topic.

The energy released by ATP hydrolysis is primarily used for:

Driving endergonic reactions is the accurate answer because it correctly identifies the biological function or role described in this question. In Bioenergetics, understanding the specific functions of molecules, enzymes, or structures is fundamental. Driving endergonic reactions fulfills this particular biological role through its specific structural properties, biochemical activity, or physiological mechanism. The other options (Maintaining osmotic balance, Storing excess energy in cells, and DNA replication) serve different biological functions or are associated with other processes, pathways, or structural roles within the cell or organism.

Ref: Campbell Biology, Urry et al., 12th Ed.

The free energy change of ATP hydrolysis in cells is approximately:

Both a and b is the scientifically accurate answer to this question. Within the study of Bioenergetics, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Both a and b directly address what is being asked. Among the other options, -7.3 kcal/mol, -30 kJ/mol, and -50 kJ/mol do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.

Ref: Campbell Biology, Urry et al., 12th Ed.

Which of the following pathways is ATP-dependent?

Proteasomal degradation is the scientifically accurate answer to this question. Within the study of Protein Degradation, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Proteasomal degradation directly address what is being asked. Among the other options, Lysosomal degradation, Autophagy, and Acid hydrolysis do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.

Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 4