Which Enzyme of the Inosinic Acid Biosynthesis Pathway Is the Major

question 20

Multiple Choice

Which enzyme of the inosinic acid biosynthesis pathway is the major control point for purine synthesis?

• A)phosphoribosyl pyrophosphate amidotransferase
• B)glycinamide ribonucleotide transformylase
• C)formylglycinamidine ribonucleotide amidotransferase
• D)5-aminoimidazole ribonucleotide synthetase
• E)5-aminoimidazole ribonucleotide carboxylase

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Definitions:

Collarbone

A long, flat bone located horizontally across the upper part of the chest in humans and some animals, also known as the clavicle, serving as a strut between the shoulder blade and the sternum.

Sternum

A long flat bone located in the center of the chest, connecting the ribs together and providing support.

Scapula

A flat, triangular bone located in the upper back on each side of the body, commonly known as the shoulder blade.

Tarsal Bone

One of the seven bones that make up the ankle and back part of the foot.