BIO201 Topic 2: Chemistry for Anatomy and Physiology Students Quiz; fall 2023; Grade 35.00 out of 35.00 (100%)

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BIO201 Topic 2: Chemistry for Anatomy and Physiology Students Quiz; fall 2021; Grade 35.00 out of 35.00 (100%) Question 1 Intermolecular forces are weak electrostatic attractions that exist between Se... lect one: a. two molecules b. a proton and an electron c. two protons Question 2 A cation is Select one: a. a combination of atoms held together by chemical bonds. b. a positively charged ion. c. a negatively charged ion. d. a molecule that conducts electricity when placed in solution. e. an alteration in the three-dimensional structure of a protein. Question 3 Subatomic particles located around the nucleus of an atom are Select one: a. protons. b. electrons. c. neutrons. d. neutrinos. e. photons. Question 4 The number of atoms in exactly 12 grams of carbon-12 is called Select one: a. Dalton's number. b. Socrates's number. c. Avogadro's number. d. Pasteur's number. e. Le Chatelier's number. Question 5 In the reversible reaction, CO2 + H2O ↔ H2CO3 ↔ H+ + HCO3- , a decrease in respiration rate will increase the concentration of CO2 in the blood. What will this do to the amount of H+ in the blood? Select one: a. H+ will increase. b. H+ will decrease. c. H+ will be unchanged. Question 6 An atom of chlorine has 17 protons and 18 neutrons. Which of the following statements is true? Select one: a. Chlorine atoms have 18 electrons. b. Chlorine has a mass number of 35. c. Chlorine has an atomic number of 18. d. Chlorine has 35 electrons. e. Chlorine has an atomic number of 35. Question 7 Which of the following factors will influence the rate of chemical reactions? Select one: a. temperature b. concentration of reactants c. presence of catalysts d. presence of enzymes e. All of these factors will influence the rate of chemical reactions. Question 8 In a reversible reaction, when the rate of product formation is equal to the rate of reactant formation, the reaction is Select one: a. stopped. b. at equilibrium. c. in danger of exploding. d. a net decomposition reaction. e. a net synthesis reaction. Question 9 A substance composed of two or more different types of atoms is a(n) Select one: a. compound. b. element. c. ion. d. molecule. e. compound and a molecule. Question 10 The presence of water in our bodies allows us to Select one: a. cool the body with sweat. b. maintain a fairly constant body temperature. c. provide an environment for chemical reactions. d. keep tissues moist and reduce friction. e. All of these choices are . Question 11 Starch 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. Question 12 Eicosanoids Select one: a. are structural proteins. b. are fat-soluble vitamins. c. are components of the plasma membrane. d. comprise the genetic material. e. play a role in the response of tissues to injuries. Question 13 Cellulose 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. Question 14 Which of the following lists includes only monosaccharides that are isomers of one another? Select one: a. glycogen, glucose, sucrose b. starch, glycogen, cellulose c. glucose, fructose, galactose d. ribose, glycogen, glucose e. deoxyribose, glycogen, starch Question 15 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 [Show More]

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