Chemistry 102 Quiz 11A April 16, 2001 Dr. B. Jackson

101. Code A

102. Which of the following is made from tryptophan?

a) tyrosine b) serotonin c) epinephrine d) thyroxin

103. Dopamine is synthesized from which of the following amino acids?

a) tyrosine b) tryptophan c) cysteine d) Lysine

104. Which of the following is a neurotransmitter which conveys the feeling of >being in love=?

a) adrenaline b) phenylethanamine c) glucuronic acid

105. All enzymes are protein in nature.

a) true b) false

106. Endomorphins are

a) toxins b) steroids c) polypeptides d) enzymes

107. Sulfa drugs are an example of

a) competitive inhibition b) noncompetitive inhibition c) feedback inhibition

108. Zymogens are

a) toxins b) vitamins c) metal ions d) inactive form of enzymes

109. Which of the following organs is responsible for major deotoxification of compounds?

a) liver b) kidney c) intestine

110. Heavy metals will inactivate an enzyme by competitive inhibition.

a) true b) false

Ans: 101a;102b;102a;104b;105b;106c;107a;108d;109a;110b

Wednesday, March 21, 2007 01:28:00 PM