Synthesis From Amino Acids- Lecture 10/22/21

Question 1

Thyroxine

Answer 1

Thyroid hormone synthesized from tyrosine

Question 2

Tyrosinase

Answer 2

Enzyme that synthesizes melanin from tyrosine

Question 3

Dopamine

Answer 3

Synthesized from tyrosine in the brain

Question 4

Biotin

Answer 4

Cofactor that adds CO2

Question 5

PLP

Answer 5

Cofactor that takes a CO2 off

Question 6

S-adenosyl methionine

Answer 6

Transfers methyl groups

Question 7

Tetraydrofolate

Answer 7

In diet, can help carry it methylations

Question 8

Epinephrine

Answer 8

Made from dopamine

Question 9

Creatine phosphate

Answer 9

Made from glycine, replenishes ATP levels in muscle

Question 10

Examples of products using SAM (precursors in parentheses) (4)

Answer 10

• Epinephrine (Norepinephrine)
• Creatine (Guanidinoacetate)
• Methylated nucleotides (Nucleotides)
• Phosphatidylcholine (phosphatidyl Ethanolamine)