Amino acid biosynthesis

Question 1

essential amino acids

Answer 1

essential because the body cannot produce them so they have to be taken in through the diet

Question 2

nonessential amino acids

Answer 2

nonessential because they can be produced by the body

Question 3

Aminotransferase and synthetase reactions produce (a) to form (b)

Answer 3

(a) ala, asn, asp, gln, and glu
(b) pyruvate, oxaloacetate, and a-ketoglutarate

Question 4

Glu produces

Answer 4

pro, arg

Question 5

Arg synthesis proceeds through

Answer 5

ornithine

Question 6

3-phosphoglycerate produces

Answer 6

ser, cys, and gly

Question 7

Individual amino acid catabolism

Answer 7

-amino groups are removed
-carbon bacbones are donated to be converted in to other metabolites

Question 8

What removes amino groups

Answer 8

transaminases/aminotransferases

Question 9

What happens to amino groups after they are removed

Answer 9

they are transferred to a-ketoacids, often a-ketoglutarate

Question 10

Glutamate dehydrogenase

Answer 10

-deaminates glutamate using NAD(P)+ or NAD+ as electron acceptors
-amino group is released as ammonia