Question

27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of A) acetyl CoA B) O2 C) NADH and FADH2 D) CO2 29) The final electron acceptor during oxidative phosphorylation is: A) oxygen B) water C) carbon dioxide D) ATP 30) Which of the following processes produces the most ATP? A) glycolysis B) oxidative phosphorylation C) fermentation D) cit 31) Which of the following occurs in both photosynthesis and respiration? A) chemiosmosis B) glycolysis C) calvin cycle D) citric 32) Products of glycolysis include: A) pyruvate B)ATPC ) NADH D all of the above 33) Many cells can metabolize pyruvate if oxygen is not present, via the proces A) fermentation B) aerobic respiration C) oxidative phosphorylation D) electron transport ADP and inorganic phosphate are co 34) As protons flow through the ATP. A) electron transport chain C) cytochrome oxidase B)outer mitochondrial membrane D) ATP synthase 35)Which of the following are true regarding photosynthesis and cellular rer A) Photosynthesis and cellular respiration differ in a type of energy absorbe B) Photosynthesis and cellular respiration are performed by all plants and C) Both photosynthesis and cellular respiration occur in the chloroplasts o D) Photosynthesis and cellular respiration are the same processes. 36) Which of the following equations correctly summarizes the process o A) carbon dioxide + water-glucose + oxygen B) glucose + oxygen carbon dioxide + water C) carbon dioxide + glucose water + oxygen D) carbon dioxide + oxygen water + glucose 37) What is the compound that plants use to absorb the energy from li A)Carbon Dioxide B) H20 C) Nitrogen D) Chlorophyll

Answer 1

27. Option A is right because according to chemiosmotic theory the transfer of electrons fromc to carrier through a series of oxidation-reduction reactions reseases some energy.