BIO 20700 (exam)

COPY OF MOLECULES TO CELLS - Unit 2 TEST QUESTIONS AND CORRECT ANSWERS 1. Which of the following statement is correct about membrane cholesterol? (A) The hydroxyl group is located near the centre of the lipid layer (B) Most of the cholesterol is in the form of a cholesterol ester (C) The steroid nucleus form forms a rigid, planar structure (D) The hydrocarbon chain of cholesterol projects into the extracellular fluid 2. Which of the following phospholipids is localized to a greater exten...

1. During high speed swimming, many fish rely on a method of ventilation called a. ram ventilation. b. opercular pumping ventilation. c. the opercular suction pump. d. buccal pressure pumping ventilation. e. the buccal suction pump. Answer: a Textbook Reference: Introduction, p. 583 Bloom’s Category: 1. Remembering 2. Which of the following is the most accurate definition of external respiration? a. The process of CO2 production and O2 consumption during aerobic metabolism b. Bulk f...

1. Glycolysis occurs in the _______ and generates _______ NADH molecules. a. cytosol; 4 b. cytosol; 2 c. mitochondria; 2 d. mitochondria; 4 e. nucleus; 2 Answer: b Textbook Reference: Mechanisms of ATP Production and Their Implications, p. 184 Bloom’s Category: 1. Remembering 2. The enzyme _______ is needed to convert phosphoenolpyruvic acid to pyruvic acid. a. hexokinase b. phosphofructokinase c. glyceraldehyde-3-phosphate dehydrogenase d. enolase e. pyruvate kinase Answer: e ...

1. During high speed swimming, many fish rely on a method of ventilation called a. ram ventilation. b. opercular pumping ventilation. c. the opercular suction pump. d. buccal pressure pumping ventilation. e. the buccal suction pump. Answer: a Textbook Reference: Introduction, p. 583 Bloom’s Category: 1. Remembering 2. Which of the following is the most accurate definition of external respiration? a. The process of CO2 production and O2 consumption during aerobic metabolism b. Bulk f...

Chapter 8: Aerobic and Anaerobic Forms of Metabolism 1. Glycolysis occurs in the _______ and generates _______ NADH molecules. a. cytosol; 4 b. cytosol; 2 c. mitochondria; 2 d. mitochondria; 4 e. nucleus; 2 Answer: b Textbook Reference: Mechanisms of ATP Production and Their Implications, p. 184 Bloom’s Category: 1. Remembering 2. The enzyme _______ is needed to convert phosphoenolpyruvic acid to pyruvic acid. a. hexokinase b. phosphofructokinase c. glyceraldehyde-3-phosphate dehy...

1. Reindeer have low energy costs in cold environments because of their a. skin. b. hooves. c. pelage. d. hypodermis. e. anthers. Answer: c Textbook Reference: Food, Nutrition, Energy Metabolism, and Thermoregulation in the Lives of Adult Reindeer, p. 278 Bloom’s Category: 1. Remembering 2. In winter, reindeer fur is a. 3–4 cm thick. b. 1–2 cm thick. c. 3–4 cm long. d. 1–2 cm long. e. shed completely. Answer: a Textbook Reference: Food, Nutrition, Energy Metabolism, an...

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