8.2 Cell respiration
Quiz by Dr. Reza M
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- Q 1/18Score 0The electron micrograph shows a section through part of an animal cell. Which process is occurring on the structures labelled X?29The link reactionGlycolysisPhosphorylation of ADPThe Krebs cycle
18 questions
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- Q1The electron micrograph shows a section through part of an animal cell. Which process is occurring on the structures labelled X?The link reactionGlycolysisPhosphorylation of ADPThe Krebs cycle45s
- Q2Which process is common to photosynthesis and cell respiration?PhotolysisThe Krebs cycleThe Calvin cycleChemiosmosis30s
- Q3The diagram shows compounds in the Krebs cycle labelled as X, Y and Z. How many carbon atoms are there in Y and in the acetyl group of acetyl CoA?Y=> 4 Acetyl CoA => 3Y=> 4 Acetyl CoA => 2Y=> 5 Acetyl CoA => 3Y=> 5 Acetyl CoA => 260s
- Q4What are final products of photosynthesis and of aerobic respiration?CDBA45s
- Q5What term is used for ATP synthesis coupled to electron transport and proton movement?GlycolysisCell respirationChemiosmosisOxidation30s
- Q6Which is a reduction reaction?NADPH changing to NADPFAD changing to FADH2ATP changing to ADPMaltose changing to glucose30s
- Q7What happens when pyruvate is converted to acetyl CoA in the link reaction?PhosphorylationReduction of pyruvateDecarboxylationHydrolysis45s
- Q8The following processes occur in aerobic cell respiration. I. Decarboxylation of pyruvate II. Diffusion of protons through ATP synthase III. Phosphorylation of glucose Which is the correct sequence for these processes?BDCA60s
- Q9Which reaction does not cause a net release of energy?Loss of hydrogen from reduced NADADP combines with inorganic phosphate to form ATPOxidation of reduced FADATP releases inorganic phosphate to form ADP45s
- Q10The image shows a portion of a cell containing a mitochondrion.BCAD45s
- Q11Which structure found in eukaryotes has a single membrane?LysosomeMitochondrionNucleusChloroplast30s
- Q12The diagram shows a mitochondrion. Which letter indicates the structure where ATP synthase is located?CABD45s
- Q13This reaction occurs in mitochondria. What explains that this reaction enables energy to be converted into a usable form?The C6 compound is reduced and the energy resulting from the removal of one carbon is used to oxidize NAD+.The oxidized NAD+ will transfer the energy from the C6 compound to ATP.Energy stored in the CO2 molecule will generate an electron gradient.The chemical energy stored in the C6 compound is used to reduce NAD+ allowing ATP production.60s
- Q14Which process requires oxygen in aerobic cell respiration?Oxidation of triose phosphateMaintaining an oxygen concentration gradient in mitochondriaAccepting electrons at the end of the electron transport chainReduction of hydrogen carriers45s
- Q15The diagram represents the Krebs cycle.CBAD60s
