Homework Answers
Answer:
D. In both organelles, protons are pumped out of the innermost compartment
explanation: In both mitochondria and chlorplasts, protons are pumped from the matrix and stroma. Only difference is that protons in mitochondria is pumped into the intermitochondrial space while in chlorplast, it is pumped in the thylakoid.
Both organelles are capable of producing their own protein due to presence of naked DNA.
Oxidative phosphorylation occurs in the mitochondria while photophosphorylation occurs in the chloroplasts.
In mitochondria, NADH are consumed while in chloroplast NADPH is produced.
Citric acid cycle occurs in the mitochondria only.
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QUESTION 15 Which of the following statements regarding mitochondria and chloroplasts is true OA. Neither organelle...
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Which of the following statements is true only of mitochondria and not chloroplasts? a. One source of electrons is NADH. b. Electron transfer leads to the establishment of a proton gradient. c. The organelle requires a system of intact membranes to generate ATP. d. The organelle contains cytochromes and flavins in its electron transfer chain. e. The final electron acceptor is NADP+.
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Which of the following statements about oxidative phosphorylation is true? a. Oxidative phosphorylation involves the activities...
Which of the following statements about oxidative phosphorylation is true? a. Oxidative phosphorylation involves the activities of the electron transport chain and the ATP synthesizing machinery. b. The oxidation of NADH is the only way to form ATP. c. ATP is synthesized using the energy that is released when electrons and hydrogen are excreted outside of the cell. d. ATP synthesis occurs during oxidative phosphorylation directly by the reduction of electron carrier proteins in the cytoplasmic membrane.
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22. Lipids would produce with the carbohydrate of same weight. energy compared (a) more (b) less...
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QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct...
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Which of the following statements regarding catabolic pathways are true? 1. When proteins are used as...
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The inner membrane divides the mitochondrion into two internal compartments. The first compartment is the and...
The inner membrane divides the mitochondrion into two internal compartments. The first compartment is the and outer membranes. The inner membrane encloses the mitochondrial mitochondrial DNA, ribosomes, and enzymes. Some of the metabolic steps of cellular respiration are catalyzed by enzymes in the matrix. Other proteins that function in respiration, including the enzyme that makes ATP, are built into the inner membrane. The highly folded cristae present a region between the inner space, a narrow a fluid-filled space with surface...
Classify the statements below as to whether they describe mitochondria, chloroplasts, or both. Cannot live independently because they require some proteins and RNAS encoded by nuclear genes. In some species, some codons specify a different amino acid than is specified in the universal genetic code. Translation is inhibited by chemicals known to inhibit bacterial translation, such as chloramphenicol Carry genes for some of the enzymes of photosynthetic electron transport. rRNA gene sequences are most similar to cyanobacteria. May have arisen...
Which of the following statements is not true? Glycolysis produces most of the ATP required by aerobic organisms like us Glycolysis produces pyruvate, which is consumed by the Krebs cycle Glycolysis occurs in the cytosol of the cell Glycolysis is the first stage of cellular respiration • The Krebs cycle reactions Takes place in the cytoplasm Converts glucose to pyruvate Generate ATP with the help of an enzyme complex called ATP synthase Yield ATP, NADH, and FADH2 • Which of...
YOU MUST ANSWER THE FOLLOWING QUESTIONS ON YOUR OWN PRIOR TO CLASS REVIEW! 1. Label the path of electrons through the light reactions of photosynthesis using the illustration below. A. Include PSII and PSI and label all the complexes involved i. Which complex pushes H* across the membrane? ii. Where do these electrons end up? iii. What is the purpose of splitting H2O? iv. Where do the light reactions take place? 2H2D Ot ENR NAOD ADP photolyetemi photosyetemi wlochtone be-...
25. Which of the following process takes place only in the stroma of chloroplast? (a) Calvin cycle (c) Glycolysis (b) Krebs cycle (d) chemiosmosis 26. The citric acid cycle can produce (a) NADH (c) FAD (b) FADH; (d) both a and b 27. The alcohol fermentation produces (a) ethanol only (c) ethanol and CO2 (b) lactate only (d) lactate and CO2 28. Which of the following polymers of glucose is! used as a vehicle to store energy reserves in animal...
22. Lipids would produce with the carbohydrate of same weight. energy compared (a) more (b) less c) the same amount 23. Where are the proteins of electron-transport chain located in mitochondria for the cellular respiration? (a) matrix (c) inner membrane (b) outer membrane (d) both membranes 24. The flow of protons during the light reaction of photosynthesis is from thylakoid space to stroma and back to thylakoid space through the ATPase? (a) True (b) False 25. Which of the following...
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct order? A. glycolysis, oxidative phosphorylation, pyruvate oxidation, and the citric acid cycle B glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation C. pyruvate oxidation, oxidative phosphorylation, glycolysis, and the citric acid cycle D. the citric acid cycle, oxidative phosphorylation, pyruvate oxidation, and glycolysis QUESTION 2 When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the glucose...
Which of the following statements regarding catabolic pathways are true? 1. When proteins are used as a source of energy for the body, the proteins are first broken down to produce amino acids, which are then converted into either glyceraldehyde 3 phosphate or acety CoA The enzyme phosphofructokinase is subject to allostericinhibition by high levels of citric acid When acety CoA builds up in the call it increases the activity of the enzyme that synthesizes oxalacetato from pyruvate and carbon...
The inner membrane divides the mitochondrion into two internal compartments. The first compartment is the and outer membranes. The inner membrane encloses the mitochondrial mitochondrial DNA, ribosomes, and enzymes. Some of the metabolic steps of cellular respiration are catalyzed by enzymes in the matrix. Other proteins that function in respiration, including the enzyme that makes ATP, are built into the inner membrane. The highly folded cristae present a region between the inner space, a narrow a fluid-filled space with surface...
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