9. Dopamine, norepinephrine and epinephrine are collectively called catecholamines. Which of the following amino acids serves as a precursor in the synthesis of these catecholamines? a. W b. T c. Y d. R 10. Debie just gave birth to a healthy baby. However, she was having hard time secreting milk. Which of these small peptide hormone is associated in low level with Debie’s condition. a. Enkephalins b. Vasopressin c. Oxytocin d. Both A & B 11. A mother went to a drugstore to purchase a vitamin supplement for her baby. She found out from the pharmacist that the vitamins contain an amino acid that can help in the absorption of calcium which is helpful for the bone development of her child. What particular amino acid is present? a. Methionine b. Lysine c. Arginine d. Phenylalanine

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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Please answer questions 9, 10, and 11

9. Dopamine, norepinephrine and epinephrine are collectively called catecholamines. Which of the following amino acids serves as a precursor in the synthesis of these catecholamines?

a. W
b. T
c. Y
d. R

10. Debie just gave birth to a healthy baby. However, she was having hard time secreting milk. Which of these small peptide hormone is associated in low level with Debie’s condition.

a. Enkephalins
b. Vasopressin
c. Oxytocin
d. Both A & B

11. A mother went to a drugstore to purchase a vitamin supplement for her baby. She found out from the pharmacist that the vitamins contain an amino acid that can help in the absorption of calcium which is helpful for the bone development of her child. What particular amino acid is present?

a. Methionine
b. Lysine
c. Arginine
d. Phenylalanine

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