ATP Is the Main Energy Currency in Cells, and It

question 16

Multiple Choice

ATP is the main energy currency in cells, and it can especially be used to drive condensation reactions that produce macromolecular polymers. How does ATP normally catalyze the condensation reaction, which by itself is energetically unfavorable?

• A) It transfers its terminal phosphate to an enzyme and is released as ADP.
• B) It transfers its two terminal phosphates to an enzyme, and is released as AMP.
• C) It covalently attaches to both of the substrates.
• D) It transfers either one or two terminal phosphate(s) to one of the substrates and is released as either ADP or AMP.
• E) It covalently attaches to the enzyme, forming an enzyme-AMP adduct.

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Definitions:

Sensory Receptors

Sensory receptors are specialized cells located throughout the body that detect changes in the environment and send information to the brain, initiating sensation and perception.

Balance

The ability to maintain the body's center of mass over its base of support, a key component of physical stability and coordinated movement.

Tympanic Membrane

The tympanic membrane, commonly known as the eardrum, is a thin layer that separates the external ear from the middle ear and vibrates in response to sound waves.

Auditory Ossicle

Bone of the middle ear; includes the malleus, incus, and stapes.