A. Amino acids that form oxaloacetate

Question 1

Amino acids that form oxaloacetate

Answer 1

Aspartate

Question 2

Amino acids that form α-ketoglutarate via glutamate

Answer 2

Glutamine
Proline
Arginine
Histidine

Question 3

Amino acids that form pyruvate

Answer 3

Alanine
Serine
Glycine
Cysteine
Threonine

Question 4

Amino acids that form fumarate

Answer 4

Phenylalanine and tyrosine

Inherited deficiencies

Question 5

metabolism lead to the diseases phenylketonuria (PKU) tyrosinemia and alkaptonuria as well as the condition of albinism.

Answer 5

phenylalanine and tyrosine

Question 6

Amino acids that form succinyl CoA

Answer 6

Methionine

Question 7

Hcy condenses with …………., forming cystathionine

Answer 7

serine

Question 8

Hcy accepts a ………… group from N5-methyltetrahydrofolate (N5-methyl-THF) in a reaction requiring methylcobalamin, a coenzyme derived from vitamin……… to synthase……..

Answer 8

methyl group from N5-
B12
Methionine

Question 9

the formation of cystine required vitamin ……..?

Question 10

a metabolite associated with atherosclerotic vascular disease and
thrombosis

Answer 10

Hcy