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Unit 4 Review

Unit 4 Review. Cellular Respiration & Human Systems. 1. This is where glycolysis occurs. A. Matrix of the mitochondria B. Inner membrane of the mitochondria C. Cristae of the mitochondria D. Cytoplasm/Cytosol. 2. This is what is produced during glycolysis. A. pyruvate and ATP

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Unit 4 Review

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  1. Unit 4 Review Cellular Respiration & Human Systems

  2. 1. This is where glycolysis occurs • A. Matrix of the mitochondria • B. Inner membrane of the mitochondria • C. Cristae of the mitochondria • D. Cytoplasm/Cytosol

  3. 2. This is what is produced during glycolysis. • A. pyruvate and ATP • B. pyruvate ATP and NADH • C. pyruvate, acetyl CoA, NADH and ATP • D. pyruvate & NADH

  4. 3. Where do bacteria perform aerobic respiration? • A. In their cytoplasm and mitochondria • B. In their cytoplasm only • C. In their cytoplasm and plasma membrane • D. In their plasma membrane only.

  5. 4. How many ATP molecules are made from glucose thru fermentation? • A. 2 • B. 4 • C. 0 • D. 32

  6. 5. What do anerobic and aerobic respiration have in common? • A. both produce lactate and CO2 . • B. both produce pyruvate • C. both produce acetyl CoA • D. neither produce ATP

  7. 6. What is the direct energy source that drives ATP synthesis during oxidative phosphorylation? • A. difference in H+ concentrations on opposite sides of the membrane • B. oxidation of glucose to CO2 and H2O • C. thermodynamically favorable flow of electrons from NADH to the mitochondrial ETC • D. final transfer of electrons to oxygen

  8. 7. What might cause your cells start producing lactate? • A. you have a malfunctioning ETC • B. you are unable to convert glucose to pyruvate. • C. you are unable to produce NADH • D. you have a lack of oxygen present

  9. 8. What is meant by absorption of lipids? • A. lipids are travelling through the stomach. • B. lipids are being broken down. • C. lipids are passing through to the lacteal vessel. • D. lipids are passing through the large intestine.

  10. 9. Where is most of the water absorbed into our blood stream? • A. stomach • B. small intestines • C. lungs • D. large intestines

  11. 10. Which of the following carry oxygenated blood? • A. aorta, pulmonary artery, and arterioles • B. pulmonary artery, vena cava, and right atrium. • C. left ventricle, aorta, pulmonary vein. • D. capillaries, right ventricle, vena cava

  12. 11. What is epinephrine & what does it do to the heart? • A. it is a nerve that decreases the heart rate • B. it is a hormone that increases the heart rate • C. it is a nerve that increases the heart rate • D. it is a hormone that decreases the heart rate

  13. 12. Which of the following is transported through our circulatory system. • A. glucose, oxygen, and heat • B. oxygen, starch, and carbon dioxide • C. glycogen, oxygen, and urea • D. urea, heat, and starch

  14. 13. What happens in order for air to be breathed in? • A. diaphragm relaxes and the ribs fall. • B. diaphragm contracts and the intercostal muscles relax. • C. ribs rise and the diaphragm contracts. • D. intercostal muscles contract & ribs fall.

  15. 14. Which of the following is involved in inspiration? • A. diaphragm relaxes • B. external intercostal muscles contract • C. abdominal muscles contract • D. internal intercostal muscles relax

  16. 15. What is the function of surfactant in alveoli? • A. prevents alveoli from sticking together. • B. increases the pressure in the thoracic cavity • C. enables the capillaries to stick to the alveoli • D. keeps the alveoli membrane thin

  17. 16. What is the role of the epiglottis? • A. prevents air from traveling down the esophagus. • B. enables air to travel down the trachea • C. prevents food from traveling down the esophagus. • D. prevents food from traveling down the trachea

  18. 17. Which of the following is the correct enzyme in the correct location. • A. amylase; salivary glands • B. stomach; lipase • C. pancreas; bile • D. liver; pepsin

  19. 18. The primary role of oxygen in cellular respiration is to • A. yield energy in the form of ATP • B. act as an acceptor for electrons & hydrogen forming water • C. combine with lactate to form pyruvate • D. combine with carbon to form CO2

  20. 19. Which of the following will occurs in the cytosol of the cell? • A. glycolysis and fermentation • B. citric acid cycle/Krebs cycle • C. oxidative phosphorylation • D. fermentation and chemiosmosis

  21. 20. If a molecule of CO2 released into the blood in your left toe travels out your nose, it must pass through all of the following structures except the • A. right atrium • B. alveoli • C. vena cava • D. pulmonary vein

  22. 21. Which kind of metabolic poison would most directly interfere with glycolysis? • A. An agent that reacts with O2 & depletes its concentration in the cell. • B. An agent that binds to pyruvate and inactivates it. • C. An agent that closely mimics the structure of glucose but is not metabolized. • D. An agent that reacts with NADH & oxidizes it to NAD+

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