Question

question 7
which of the following is not an energy carrier molecule?
atp
nadph
nadh
glucose
all are energy carrier molecules

Explanation:

• ATP (adenosine triphosphate): It is the primary energy - carrying molecule in cells. It releases energy when the phosphate bonds are broken.
• NADPH (nicotinamide adenine dinucleotide phosphate): It is involved in redox reactions and carries high - energy electrons, which can be used to drive biosynthetic reactions.
• NADH (nicotinamide adenine dinucleotide): It is also involved in redox reactions and carries high - energy electrons. It is important in processes like cellular respiration.
• Glucose: It is a source of energy. Cells break down glucose through processes like glycolysis, the Krebs cycle, and oxidative phosphorylation. But it is not an energy - carrier molecule in the same sense as ATP, NADPH, and NADH. Energy - carrier molecules are usually small molecules that can directly donate or transfer energy (in the form of electrons or phosphate groups) for immediate cellular use. Glucose needs to be metabolized first to produce energy - carrier molecules like ATP.

Answer:

glucose