AP BIOLOGY

CELL RESPIRATION

ATP ADENOSINE TRIPHOSPHATE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is ATP made of?
A
Adenine, 3 carbon sugar (ribose), 3 phosphate groups
B
2 adenine, 4 carbon sugar (ribose), 2 phosphate groups
C
Adenine, 5 carbon sugar (ribose), 4 phosphate groups
D
Adenine, 5 carbon sugar (ribose), three phosphate groups
Explanation: 

Detailed explanation-1: -An ATP molecule consists of three parts (Fig. 1.7): adenine (a double ring of carbon and nitrogen), ribose sugar (five-carbon sugar), and three phosphate groups attached to ribose, which are linked by covalent bonds.

Detailed explanation-2: -The structure of ATP is a nucleoside triphosphate, consisting of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups. 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-3: -ATP is a nucleotide consisting of an adenine base attached to a ribose sugar, which is attached to three phosphate groups. These three phosphate groups are linked to one another by two high-energy bonds called phosphoanhydride bonds.

Detailed explanation-4: -ATP is comprised of a nucleotide, a five-carbon sugar, and three phosphate groups. The bonds that connect the phosphates (phosphoanhydride bonds) have high-energy content.

Detailed explanation-5: -ATP stands for adenosine triphosphate. Chemically, it is composed of adenine base, D-ribose sugar and three phosphoric acid molecules. The phosphoric acid molecules in their ionised form are written as “phosphate".

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