BIO 201 Anatomy and physiology 1 BEST EXAM Questions with 100% verified answers 2022/2023 update

BIO 201 Anatomy and physiology 1 BEST EXAM Questions with 100% verified answers 2022/2023 update Topic 2 Question 1 Correct 1.75 points out of 1.75 Not flaggedFlag question Question text Isotopes of the same element have Select one: a. the same number of neutrons but different numbers of protons. b. different numbers of protons and electrons. c. the same mass number. d. the same atomic number but differ in their mass numbers. Correct e. no mass number. Feedback The correct answer is: the same atomic number but differ in their mass numbers. Question 2 Incorrect 0.00 points out of 1.75 Not flaggedFlag question Question text The mass number of an atom is the number of Select one: a. protons in the atom. b. neutrons in the atom. c. protons plus electrons in the atom. d. electrons plus neutrons in the atom. Incorrect e. neutrons plus protons in the atom. Feedback The correct answer is: neutrons plus protons in the atom. Question 3 Correct 1.75 points out of 1.75 Not flaggedFlag question Question text Sodium chloride is considered a(n) Select one: a. molecule. b. compound. Correct c. molecule and a compound. d. element. e. ion. Feedback The correct answer is: compound. Question 4 Correct 1.75 points out of 1.75 Not flaggedFlag question Question text Covalent bonds form when Select one: a. atomic nuclei fuse. b. molecules become ionized. c. neutrons are transferred from one atom to another. d. protons are lost from atoms. e. electrons are shared between two atoms. Correct Feedback The correct answer is: electrons are shared between two atoms. Question 5 Correct 1.75 points out of 1.75 Not flaggedFlag question Question text 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. Correct d. Pasteur's number. e. Le Chatelier's number. Feedback The correct answer is: Avogadro's number. Question 6 Incorrect 0.00 points out of 1.75 Not flaggedFlag question Question text If the products of a chemical reaction contain less potential energy than the reactants, Select one: a. energy has been stored in the molecular bonds of the product. b. energy has been released by the breaking of molecular bonds. c. the reaction will be reversible without additional energy input. d. a synthesis reaction is likely to have occurred. e. All of these choices are correct. Incorrect Feedback The correct answer is: energy has been released by the breaking of molecular bonds. Question 7 Correct 1.75 points out of 1.75 Not flaggedFlag question Question text 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. Correct c. Chlorine has an atomic number of 18. d. Chlorine has 35 electrons. e. Chlorine has an atomic number of 35. Feedback The correct answer is: Chlorine has a mass number of 35. Question 8 Correct 1.75 points out of 1.75 Not flaggedFlag question Question text Hydrogen bonds are important for all of the following except: Select one: a. producing surface tension in water b. helping hold a protein structure together c. helping hold DNA strands together d. helping atoms give up or receive electrons Correct Feedback The correct answer is: helping atoms give up or receive electrons Question 9 Correct 1.75 points out of 1.75 Not flaggedFlag question Question text Chemical reactions with the property of being able to proceed from reactants to products and from products to reactants are called Select one: a. exchange reactions. b. synthesis reactions. c. decomposition reactions. d. reversible reactions. Correct e. net reaction rates. Feedback The correct answer is: reversible reactions. Question 10 Incorrect 0.00 points out of 1.75 Not flaggedFlag question Question text Kinetic energy is Select one: a. the form of energy that actually does work. b. movement of ions or electrons. Incorrect c. energy that flows between objects with different temperatures. d. stored energy that could do work but is not doing so. e. energy that moves in waves. Feedback The correct answer is: the form of energy that actually does work. Question 11 Correct 1.75 points out of 1.75 Not flaggedFlag 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. Correct Feedback The correct answer is: All of these choices are correct. Question 12 Incorrect 0.00 points out of 1.75 Not flaggedFlag question Question text Consider the following five terms. Which term does not belong with the other four terms? Select one: