Biol101_quiz3

• Question 1 3.2 out of 3.2 points In the chloroplast, light dependent reactions take place in the __________________ while light independent reactions take place in the __________________. • Question 2 During the ...

• Question 1 3.2 out of 3.2 points In the chloroplast, light dependent reactions take place in the __________________ while light independent reactions take place in the __________________. • Question 2 During the electron transfer reactions, protons (H+ ions) are pumped (moved) to one side of the inner membrane of the mitochondrion. The value of this pumping is that the proton gradient is then used • Question 3 3.2 out of 3.2 points ______ is freely convertible from one form to another but _______ can never be created or destroyed. • Question 4 3.2 out of 3.2 points The energy storage molecule that connects endergonic and exergonic reactions, driving endergonic reactions forward, is • Question 5 3.2 out of 3.2 points Photosynthesis and respiration are complementing processes within a global cycle known as the . • Question 6 3.2 out of 3.2 points Which of the following phrases best describes the role of NADPH in photosynthesis? • Question 7 3.2 out of 3.2 points Griffith exposed weak living bacteria to just the fluids from dead virulent bacteria. Some of these weak bacteria became virulent and could now kill mice. What control experiment did he do to argue that his weak bacteria changed to virulence in these studies? • Question 8 3.2 out of 3.2 points DNA was discovered by Friederick Miescher; he isolated it from • Question 9 3.2 out of 3.2 points Which of the following substances would most likely enable a flagellum to drive a bacterium forward through the medium in which it is swimming? • Question 10 3.2 out of 3.2 points The three metabolic pathways that make up aerobic respiration are really all parts of one larger pathway because • Question 11 The immediate product of photosynthesis, three-carbon PGALs . • Question 12 3.2 out of 3.2 points Accessory pigments enable the chloroplast to • Question 13 3.2 out of 3.2 points Biological information must exist because • Question 14 3.2 out of 3.2 points Accessory pigments and chlorophylls work together within the thylakoid membrane in clusters called __________ . They harvest light energy and use it to transfer electrons to _______________. Selected photosystems; quinone Answer: molecules. • Question 15 3.2 out of 3.2 points In the process of ____________, three interrelated, exergonic pathways and oxygen are used to igenerate large amounts of ATP from glucose molecules. • Question 16 3.2 out of 3.2 points The final stage of aerobic respiration involves • Question 17 3.2 out of 3.2 points The process of aerobic respiration begins with • Question 18 3.2 out of 3.2 points When your car engine burns the octane in gasoline, at least 50% of the energy of the octane • Question 19 3.2 out of 3.2 points Physicists define energy as • Question 20 3.2 out of 3.2 points Reactants like hydrogen and oxygen molecules and are converted into a product like water molecules in the course of • Question 21 3.2 out of 3.2 points A lit match cannot continue to burn when the wood of the match stick is consumed. This statement illustrates the more general principle that Selected Answer: energy forms are freely convertible, but energy can’t be created or destroyed. • Question 22 Which of the following is not a product of the Krebs cycle? • Question 23 3.2 out of 3.2 points In respiration, chemical energy is transferred from glucose to ATP. The energy transfer however, is not 100% efficient. In the transfer, some of the energy is lost as • Question 24 3.2 out of 3.2 points All of the six carbon atoms in each glucose molecule leave respiration in the form of carbon dioxide. Most of them leave during which part of aerobic respiration? • Question 25 3.2 out of 3.2 points The structure of DNA was unraveled using