AP BIOLOGY

CELL RESPIRATION

AEROBIC RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
ATP is very soluble in ____ and easily transported within the cell
A
Ribose
B
Water
C
Hydrolysis
D
Active-Transport
Explanation: 

Detailed explanation-1: -ATP is highly soluble in water and is quite stable in solutions between pH 6.8 and 7.4, but is rapidly hydrolysed at extreme pH. Consequently, ATP is best stored as an anhydrous salt. ATP is an unstable molecule in unbuffered water, in which it hydrolyses to ADP and phosphate.

Detailed explanation-2: -ATP is highly water soluble itself, and contains charged phosphate groups that attract water, as well as an aromatic adenosine structure that’s drawn to large proteins’ water-resisting groups.

Detailed explanation-3: -ATP is commonly referred to as the “energy currency” of the cell, as it provides readily releasable energy in the bond between the second and third phosphate groups.

Detailed explanation-4: -ATP is able to power cellular processes by transferring a phosphate group to another molecule (a process called phosphorylation). This transfer is carried out by special enzymes that couple the release of energy from ATP to cellular activities that require energy.

Detailed explanation-5: -ATP is very soluble in water and is a quite stable solution that has a pH of 6.8-7.4, but is rapidly hydrolysed at extreme pH. Thus, ATP is best stored as an anhydrous salt. Although, ATP is quite stable in solution, it is an unstable molecule in unbuffered water.

There is 1 question to complete.