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

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

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

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

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

6. Which of the following would be considered a biosynthetic pathway? (A) glycolysis (B) glycogen synthesis (C) fatty acid -oxidation (D) citric acid cycle (E) electron transport

7. What is the oxidant in the following reaction? (A) ethanol (B) NAD+ (C) acetaldehyde (D) NADH (E) H+

8. What is the source of acetyl-CoA for the glyoxylate cycle? (A) pyruvate (B) amino acids (C) fatty acids (D) cholesterol (E) all of the above