BIO 201Quiz 2 Anatomy & Physiology Quiz 2 (GRADED A) Questions and Answer elaborations | 100% Correct Solutions

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BIO 201Quiz 2 Anatomy & Physiology Quiz 2 Question1 Correct 2.00 points out of 2.00 Flag question Question text Water accounts for 50%... of the weight of a young adult female and 60% of a young adult male. What kind of atom is found at "D"? Select one: a. hydrogen bond b. water molecule c. oxygen atom d. hydrogen atom e. polar covalent bond Feedback The correct answer is: oxygen atom Question2 Correct 2.00 points out of 2.00 Flag question Question text The molecule used most frequently by cells as a fuel belongs to which of the following groups? Select one: a. prostaglandins b. carbohydrates c. nucleic acids d. steroids e. phospholipids Feedback The correct answer is: carbohydrates Question3 Correct 2.00 points out of 2.00 Flag question Question text Normal pH for blood is 7.35 to 7.45. Maintenance of the pH in this range is Select one: a. critical because enzymes work best within narrow ranges of pH. b. not critical because extreme pH values do not affect enzyme function. c. called denaturation. d. not required. e. None of these choices is correct. Feedback The correct answer is: critical because enzymes work best within narrow ranges of pH. Question4 Correct 2.00 points out of 2.00 Flag question Question text Which of the following is mismatched? Select one: a. ribose RNA b. enzyme protein c. cholesterol nucleic acid d. triglyceride fat e. eicosanoid prostaglandin Feedback The correct answer is: cholesterol nucleic acid Question5 0.00 points out of 2.00 Flag question Question text A group of water molecules are held together by Select one: a. salt. b. hydrogen bonds. c. ionic bonds. d. double covalent bonds. e. polar covalent bonds. Feedback The correct answer is: hydrogen bonds. Question6 Correct 2.00 points out of 2.00 Flag question Question text A neutral atom will become a cation if it Select one: a. gains electrons. b. gains protons. c. loses electrons. d. loses protons. e. gains neutrons. Feedback The correct answer is: loses electrons. Question7 Correct 2.00 points out of 2.00 Flag question Question text ATP Select one: a. can be synthesized from ADP. b. stores and releases energy in the cell. c. is associated with a reversible reaction. d. is associated with anabolism and catabolism. e. All of these choices are correct. Feedback The correct answer is: All of these choices are correct. Question8 Correct 2.00 points out of 2.00 Flag question Question text The sodium chloride molecule breaks apart in water. What does "E" represent (the process)? Select one: a. chloride ion b. dissociation c. water molecule d. sodium ion e. salt crystal Feedback The correct answer is: dissociation Question9 0.00 points out of 2.00 Flag question Question text Why is water involved in most metabolic reactions in the human body? Select one: a. It can dissolve many chemical compounds. b. It can absorb and release heat without changing temperature very much. c. It has a high surface tension. d. Its bonds are nonpolar. e. It is a solute. Feedback The correct answer is: It can dissolve many chemical compounds. Question10 Correct 2.00 points out of 2.00 Flag question Question text Triglycerides are composed of Select one: a. monosaccharides. b. amino acids. c. nucleotides. d. glycerol and fatty acids. e. None of these choices are correct. Feedback The correct answer is: glycerol and fatty acids. Question11 Correct 2.00 points out of 2.00 Flag question Question text Which of the following is NOT a function of carbohydrates in the body? Select one: a. structural component of DNA b. protection c. bulk in feces d. energy e. structural component of RNA Feedback The correct answer is: protection Question12 Correct 2.00 points out of 2.00 Flag question Question text Ribose is the Select one: a. storage carbohydrate in animals. b. storage carbohydrate in plants. c. nondigestible plant polysaccharide. d. major nutrient for most body cells. e. sugar found in RNA and ATP. Feedback The correct answer is: sugar found in RNA and ATP. Question13 Correct 2.00 points out of 2.00 Flag question Question text The sodium chloride molecule breaks apart in water. What does "D" represent? Select one: a. chloride ion b. dissociation c. water molecule d. sodium ion e. salt crystal Feedback The correct answer is: water molecule Question14 Correct 2.00 points out of 2.00 Flag question Question text Sodium chloride is considered a(n) Select one: a. molecule. b. compound. c. molecule and a compound. d. element. e. ion. Feedback The correct answer is: compound. Question15 Correct 2.00 points out of 2.00 Flag question Question text An organic molecule such as a vitamin that makes an enzyme functional is called a/an Select one: a. buffer. b. coactivator. c. catalyst. d. coenzyme. Feedback The correct answer is: coenzyme. Question16 Correct 2.00 points out of 2.00 Flag question Question text Which of the following is determined by sequence of amino acids bound by peptide bonds? Select one: a. amino acid b. peptide bond c. primary structure of protein d. secondary structure of protein e. denaturation Feedback The correct answer is: primary structure of protein Question17 Correct 2.00 points out of 2.00 Flag question Question text A buffer will Select one: a. enhance changes in the pH of the solutions. b. resist drastic changes in the pH of the solutions. c. have no effect on the pH of the solutions. d. make a solution more acidic. e. make a solution more basic. Feedback The correct answer is: resist drastic changes in the pH of the solutions. Question18 Correct 2.00 points out of 2.00 Flag question Question text Energy Select one: a. has mass. b. is the capacity to do work. c. has weight. d. takes up space. e. cannot be stored. Feedback The correct answer is: is the capacity to do work. Question19 Correct 2.00 points out of 2.00 Flag question Question text Reactions that use water to split molecules apart are called reactions. Select one: a. dehydration b. synthesis c. hydrolysis d. reversible e. oxidation Feedback The correct answer is: hydrolysis Question20 0.00 points out of 2.00 Flag question Question text Normal pH range for blood is 7.35 to 7.45. If blood pH falls below 7.35, Select one: a. an imbalance called alkalosis results. b. nothing happens as this is an acceptable deviation. c. an imbalance called acidosis results. d. the blood becomes saltier. e. the number of red blood cells decreases. Feedback The correct answer is: an imbalance called acidosis results. [Show More]

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