05-clicker-questions.pptx

PowerPoint® Clicker Questions prepared by Bradley W. Christian, McLennan Community College CHAPTER 5 Microbial Metabolism © 2016 Pearson Education, Ltd. The building of complex organic molecules from simpler ones is called a) b) c) d) catabolism. anabolism. photosynthesis. oxidation. © 2016 Pearson...

PowerPoint® Clicker Questions prepared by Bradley W. Christian, McLennan Community College CHAPTER 5 Microbial Metabolism © 2016 Pearson Education, Ltd. The building of complex organic molecules from simpler ones is called a) b) c) d) catabolism. anabolism. photosynthesis. oxidation. © 2016 Pearson Education, Ltd. The building of complex organic molecules from simpler ones is called a) b) c) d) catabolism. anabolism. photosynthesis. oxidation. © 2016 Pearson Education, Ltd. The breakdown of complex organic compounds into simpler ones is called a) b) c) d) catabolism. anabolism. photosynthesis. oxidation. © 2016 Pearson Education, Ltd. The breakdown of complex organic compounds into simpler ones is called a) b) c) d) catabolism. anabolism. photosynthesis. oxidation. © 2016 Pearson Education, Ltd. Inhibitors that fill the enzyme's active site and compete with the normal substrate are a) b) c) d) noncompetitive. allosteric. competitive. ribosomal. © 2016 Pearson Education, Ltd. Inhibitors that fill the enzyme's active site and compete with the normal substrate are a) b) c) d) noncompetitive. allosteric. competitive. ribosomal. © 2016 Pearson Education, Ltd. Enzymes increase the speed of a chemical reaction by a) b) c) d) lowering the energy of activation. increasing the energy of activation. changing the pH of the reaction. increasing the temperature of the reaction. © 2016 Pearson Education, Ltd. Enzymes increase the speed of a chemical reaction by a) b) c) d) lowering the energy of activation. increasing the energy of activation. changing the pH of the reaction. increasing the temperature of the reaction. © 2016 Pearson Education, Ltd. Many apoenzymes are inactive by themselves and must be activated by a) b) c) d) cofactors and/or coenzymes. ATP. holoenzymes. substrates. © 2016 Pearson Education, Ltd. Many apoenzymes are inactive by themselves and must be activated by a) b) c) d) cofactors and/or coenzymes. ATP. holoenzymes. substrates. © 2016 Pearson Education, Ltd. The addition of phosphate to a chemical compound is called a) b) c) d) glycolysis. oxidation. reduction. phosphorylation. © 2016 Pearson Education, Ltd. The addition of phosphate to a chemical compound is called a) b) c) d) glycolysis. oxidation. reduction. phosphorylation. © 2016 Pearson Education, Ltd. What process does the aerobic electron transport chain perform? a) b) c) d) glycolysis oxidative phosphorylation photophosphorylation substrate-level phosphorylation © 2016 Pearson Education, Ltd. What process does the aerobic electron transport chain perform? a) b) c) d) glycolysis oxidative phosphorylation photophosphorylation substrate-level phosphorylation © 2016 Pearson Education, Ltd. A molecule that undergoes reduction a) b) c) d) becomes phosphorylated. loses a hydrogen atom. gains one or more electrons. loses one or more electrons. © 2016 Pearson Education, Ltd. A molecule that undergoes reduction a) b) c) d) becomes phosphorylated. loses a hydrogen atom. gains one or more electrons. loses one or more electrons. © 2016 Pearson Education, Ltd. The energy from catabolic reactions is used to produce a) b) c) d) ADP. ATP. AMP. phosphate. © 2016 Pearson Education, Ltd. The energy from catabolic reactions is used to produce a) b) c) d) ADP. ATP. AMP. phosphate. © 2016 Pearson Education, Ltd. In which of the following is light energy converted to ATP, which is then used to synthesize organic molecules? a) b) c) d) photosynthesis Krebs cycle fermentation glycolysis © 2016 Pearson Education, Ltd. In which of the following is light energy converted to ATP, which is then used to synthesize organic molecules? a) b) c) d) photosynthesis Krebs cycle fermentation glycolysis © 2016 Pearson Education, Ltd. What are the overall (net) products of glycolysis? a) b) c) d) 1 pyruvic acid, 4 ATP, 2 NADH 1 pyruvic acid, 2 ATP, 4 NADH 2 pyruvic acid, 4 ATP, 2 NADH 2 pyruvic acid, 2 ATP, 2 NADH © 2016 Pearson Education, Ltd. What are the overall (net) products of glycolysis? a) b) c) d) 1 pyruvic acid, 4 ATP, 2 NADH 1 pyruvic acid, 2 ATP, 4 NADH 2 pyruvic acid, 4 ATP, 2 NADH 2 pyruvic acid, 2 ATP, 2 NADH © 2016 Pearson Education, Ltd. In prokaryotes, how many ATP molecules are produced from the breakdown of one glucose via aerobic respiration? a) b) c) d) 2 4 34 38 © 2016 Pearson Education, Ltd. In prokaryotes, how many ATP molecules are produced from the breakdown of one glucose via aerobic respiration? a) b) c) d) 2 4 34 38 © 2016 Pearson Education, Ltd. The pentose phosphate pathway provides a means to break down glucose and a) b) c) d) five-carbon sugars. proteins. lipids. ATP. © 2016 Pearson Education, Ltd. The pentose phosphate pathway provides a means to break down glucose and a) b) c) d) five-carbon sugars. proteins. lipids. ATP. © 2016 Pearson Education, Ltd. The FIRST step in the Krebs cycle is formation of a) b) c) d) lactic acid. pyruvic acid. citric acid. acetyl CoA. © 2016 Pearson Education, Ltd. The FIRST step in the Krebs cycle is formation of a) b) c) d) lactic acid. pyruvic acid. citric acid. acetyl CoA. © 2016 Pearson Education, Ltd. In anaerobic respiration, the final electron acceptor is a) b) c) d) oxygen. ATP. an inorganic molecule other than oxygen. an organic molecule. © 2016 Pearson Education, Ltd. In anaerobic respiration, the final electron acceptor is a) b) c) d) oxygen. ATP. an inorganic molecule other than oxygen. an organic molecule. © 2016 Pearson Education, Ltd. Where does photosynthesis take place in eukaryotic cells? a) b) c) d) mitochondria ribosomes chloroplasts lysosomes © 2016 Pearson Education, Ltd. Where does photosynthesis take place in eukaryotic cells? a) b) c) d) mitochondria ribosomes chloroplasts lysosomes © 2016 Pearson Education, Ltd. In the light-dependent reactions, a) b) c) d) oxygen is used to synthesize sugars. carbon dioxide is used to synthesize sugars. glucose is oxidized. ADP is converted to ATP. © 2016 Pearson Education, Ltd. In the light-dependent reactions, a) b) c) d) oxygen is used to synthesize sugars. carbon dioxide is used to synthesize sugars. glucose is oxidized. ADP is converted to ATP. © 2016 Pearson Education, Ltd. In the Calvin-Benson cycle, a) b) c) d) oxygen is used to synthesize sugars. carbon dioxide is used to synthesize sugars. glucose is oxidized. ADP is converted to ATP. © 2016 Pearson Education, Ltd. In the Calvin-Benson cycle, a) b) c) d) oxygen is used to synthesize sugars. carbon dioxide is used to synthesize sugars. glucose is oxidized. ADP is converted to ATP. © 2016 Pearson Education, Ltd. Photosynthesis in plants, algae, and cyanobacteria produces a) b) c) d) oxygen. carbon dioxide. sulfur granules. hydrogen sulfide. © 2016 Pearson Education, Ltd. Photosynthesis in plants, algae, and cyanobacteria produces a) b) c) d) oxygen. carbon dioxide. sulfur granules. hydrogen sulfide. © 2016 Pearson Education, Ltd. In cyclic photophosphorylation, the electrons a) b) c) d) return to chlorophyll. are incorporated in NADPH. are converted to ATP. are converted to glucose. © 2016 Pearson Education, Ltd. In cyclic photophosphorylation, the electrons a) b) c) d) return to chlorophyll. are incorporated in NADPH. are converted to ATP. are converted to glucose. © 2016 Pearson Education, Ltd. ________ use electrons from reduced inorganic compounds as a source of energy and CO2 as a source of carbon. a) b) c) d) Photoautotrophs Photoheterotrophs Chemoautotrophs Chemoheterotrophs © 2016 Pearson Education, Ltd. ________ use electrons from reduced inorganic compounds as a source of energy and CO2 as a source of carbon. a) b) c) d) Photoautotrophs Photoheterotrophs Chemoautotrophs Chemoheterotrophs © 2016 Pearson Education, Ltd. In lipid biosynthesis, glycerol is derived from dihydroxyacetone phosphate formed during a) b) c) d) the Krebs cycle. glycolysis. the electron transport chain. the Calvin-Benson cycle. © 2016 Pearson Education, Ltd. In lipid biosynthesis, glycerol is derived from dihydroxyacetone phosphate formed during a) b) c) d) the Krebs cycle. glycolysis. the electron transport chain. the Calvin-Benson cycle. © 2016 Pearson Education, Ltd. If an amine group added to a precursor comes from a preexisting amino acid, the process is called a) b) c) d) beta-oxidation. amination. transamination. beta-reduction. © 2016 Pearson Education, Ltd. If an amine group added to a precursor comes from a preexisting amino acid, the process is called a) b) c) d) beta-oxidation. amination. transamination. beta-reduction. © 2016 Pearson Education, Ltd. The five-carbon sugars of nucleotides are derived from either the ________ or ________. a) pentose phosphate pathway; Entner-Doudoroff pathway b) pentose phosphate pathway; the Krebs cycle c) Entner-Doudoroff pathway; glycolysis d) glycolysis; the Krebs cycle © 2016 Pearson Education, Ltd. The five-carbon sugars of nucleotides are derived from either the ________ or ________. a) pentose phosphate pathway; Entner-Doudoroff pathway b) pentose phosphate pathway; the Krebs cycle c) Entner-Doudoroff pathway; glycolysis d) glycolysis; the Krebs cycle © 2016 Pearson Education, Ltd. Metabolic pathways that function in BOTH anabolism and catabolism are called ________ pathways. a) b) c) d) intermediate reversible redox amphibolic © 2016 Pearson Education, Ltd. Metabolic pathways that function in BOTH anabolism and catabolism are called ________ pathways. a) b) c) d) intermediate reversible redox amphibolic © 2016 Pearson Education, Ltd. In fermentation, a) b) c) d) the final electron acceptor is organic. a large amount of ATP is produced. oxygen is required. an electron transport chain is required. © 2016 Pearson Education, Ltd. In fermentation, a) b) c) d) the final electron acceptor is organic. a large amount of ATP is produced. oxygen is required. an electron transport chain is required. © 2016 Pearson Education, Ltd.