79.
(A) how take care of a bird or a fish
(B) what to take care of a bird or a fish
(C) how to take care of a bird or a fish
(D) what taking care of a bird or a fish

75. (A) Here you are. (B) Thank you. (C) There I am. (D) It doesn't matter.

76. (A) How beautiful cat. (B) How a beautiful cat. (C) What beautiful a cat. (D) What a beautiful cat.

77. (A) but they’re so much work (B) and they’re so much work (C) so they’re so much work (D) they’re so much work

78. (A) Don't bother me. (B) I don't agree with you. (C) Good point. (D) Good job.

80. (A) I'm fine (B) you’re wrong (C) awesome (D) you’re right

1. Which of the following eukaryotic organisms is both autotrophic and heterotrophic? (A) yeast (B) humans (C) Venus fly trap (D) redwood trees (E) Mushrooms

2. The fatty acid designated 18:2c9,12 is best described as a _______ fatty acid. (A) saturated (B) unsaturated (C) polyunsaturated (D) hydrogenated (E) partially hydrogenated

3. When glucagon binds to its receptor on a liver cell, which of the following sequence of events occurs to activate protein kinase A? (A) activation of adenylate cyclase, activation of G protein, production of cAMP (B) activation of G protein, activation of adenylate cyclase, production of cAMP (C) activation of G protein, production of cAMP, activation of adenylate cyclase (D) production of cAMP, activation of adenylate cyclase, activation of G protein (E) none of the above

4. For each molecule of acetyl-CoA that enters the citric acid cycle, which of the following best represents the net products of the cycle? (A) 2 CO2, 2 NADH, 2 FADH2, 1 GTP, 1 oxaloacetate (B) 1 CO2, 3 NADH, 1 FADH2, 2 GTP, 1 oxaloacetate (C) 2 CO2, 3 NADH, 1 FADH2, 1 GTP, 0 oxaloacetate (D) 1 CO2, 2 NADH, 1 FADH2, 2 GTP, 0 oxaloacetate (E) 2 CO2, 3 NADH, 1 FADH2, 1 GTP, 1 oxaloacetate

5.Which of the following is the most important regulatory enzyme in fatty acid synthesis? (A) citrate lyase (B) malic enzyme (C) acetyl-CoA carboxylase (D) acetyl-CoA-ACP transacylase (E) malonyl-CoA-ACP transacylase