Body Structures & Functions Updated
13th Edition
ISBN: 9780357191606
Author: Scott
Publisher: Cengage
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works by breaking down foods in the diet or compounds in the body into their smaller components.
Select one:
a.
Neither is correct
b.
Anabolism
c.
both of them
d.
Catabolism
Which of the following statements is/are true regarding ATP?a. It is the body’s primary source of chemical energy.b. Its production is the main reason humans breathe oxygen.c. It is produced through the oxidation of molecular fuels like glucose.d. All of the above statements are true.
Which of the listed terms is described by: “All the chemical processes that take
place in the organelles and cytoplasm the cells of the body"?
A. Metabolism
B. Cellular respiration
C. Homeostasis
D. Physiology
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- Which of the following organs does glycolysis occur in an anaerobic environment?* a.Liver b.Brain c.Kidney d.Erythrocytesarrow_forwardHomeostatic systems maintain a steady-state set point over time using negative feedback. Which one of the following statement is NOT TRUE for stability of metabolic system: Select one: a. Step changes in a controlled variable will return the system to its original state using negative feedback b. Metabolic systems that oscillate must have multiple control variables c.A positive feedback system is stable over time, maintaining a steady state d. Perturbations from steady state, either positive or negative, result in recovery reactions that returm the system to is original state.arrow_forwardChemotrophic energy metabolism is a catabolic and exergonic process that produces ATP from oxidizing molecules. Which among the following is not an energy source of chemotrophic energy metabolism? A. Iron B. Photons C. Carbohydrates D. Proteinsarrow_forward
- Muscle soreness and fatigue in a racehorse after a long, strenuous race is a result of in the muscle. A. anaerobic metabolism, which leads to lactic acid buildup B. aerobic metabolism, which leads to buildup of carbon dioxide C. aerobic metabolism, which leads to lactic acid deficiency D. anaerobic metabolism, which leads to ATP builduparrow_forwardWhich of the following functions is morecharacteristic of carbohydrates than of proteins?a. contractionb. energy storagec. catalyzing reactionsd. immune defensee. intercellular communicationarrow_forwardWhich of the following molecules can be oxidized toproduce ATP?a. amino acids d. complex carbohydratesb. six-carbon sugars e. pyruvatec. fatty acids f. all of the abovearrow_forward
- Which of the following is NOT a physiological role of phosphorus? Select one: a. Required for ossification of bones during embryonic development b. Required for enzymatic conversions in glycolysis c. Links together ribose sugars and their associated nitrogenous bases d. Important compound required to inhibit auto-oxidation of fatty acidsarrow_forwardBile Salts are: a. a mixture of amphipathic molecules which emulsify fatty acids in the small intestine b. enzymes present in saliva that digest proteins into amino acids c. made by the liver and secreted from the gall bladder into the duodenum d. enzymes that digest “dietary fiber” (cellulose) in the esophagus e. enzymes present in saliva that make bread taste sweet after chewingarrow_forwardWhich of the following statements is (are) accurate about aerobic and anaerobic respiration?a. Aerobic respiration is best for sprints.b. Anaerobic respiration is best for long distances because it does not need large amounts of oxygen.c. Aerobic respiration is faster.d. Aerobic respiration produces more energy per glucose molecule.e. Both aerobic respiration and anaerobic respiration start with glycolysis.arrow_forward
- Carbohydrates are stored in the liver and muscles in the form of a.glucose. b.triglycerides. c.glycogen. d.cholesterol.arrow_forwardwhich of the following does not have a stored form of energy reserve, but is readily able to switch from utilizing glucose to utilizing ketone bodies? A. adipose tissue B. the liver C. skeletal muscle D. neural tissue E. peripheral tissuesarrow_forwardWhich of the following is a reactive oxygen species that can damage proteins? Select one: a. vitamin C b. superoxide c. arsenic d. oxygen e. heatarrow_forward
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