Homework Answers
10. D Is not true about coenzymes
The coenzyme nicotinamide adenine dinucleotide NAD+ is a oxidising agent .It is not a reducing agent .It accepts electrons from other molecules and get reduced to NADH ( reducing agent ) which donate electrons.
11.D.
Glucose reacts with oxygen and carbon atoms in glucose get oxidised and oxygen atom get reduced to form carbon dioxide , water and ATP as energy .
12. C. Mitochondria
Energy production occurs in mitochondria of animal cells . Mitochondria produces energy through cellular respiration process .
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10. Which is not true about coenzymes? a) Many reactions in metabolic pathways involve coenzymes. b)/When...
Chem 309 F17 Take Home Quiz 14 -Metabolism Caka the LAST take home Quiz for Chem...
Chem 309 F17 Take Home Quiz 14 -Metabolism Caka the LAST take home Quiz for Chem 309) 1. RBCs are produced from stem cells in the bone marrow. When RBCs mature, they discard their DNA and mitochondria to make room for more hemoglobin. 1 have no nucleus, no DNA, and do not divide. a) What important energy producing biochemical pathways occur in mitochondria b) Without mitochondria, what pathway is used by RBCs to produce energy 2. The reactions for two...
Evaluate the reactions shown below, and select all true statements that apply. 2 ADP + 2...
Evaluate the reactions shown below, and select all true statements that apply. 2 ADP + 2 2 ATP c=0 Glucose Glycolysis сн. 2 Pyruvate 2 NAD 2 NADH 2 CO2 2 H CH H-C-OH + CH, 2 Ethanol (a) Alcohol fermentation 2 Acetaldehyde A. Glucose is the reducing agent B. NADH is being reduced. C. NAD+ is being reduced. D. Acetylaldehyde is being oxidized. E. Acetylaldehyde is the oxidizing agent F. As pyruvate is converted to acetyaldehyde, pyruvate is reduced...
Q4. Identify who is oxidized and who is reduced in following reactions. [2+2+2-6pts] CH4 + 202...
Q4. Identify who is oxidized and who is reduced in following reactions. [2+2+2-6pts] CH4 + 202 - CO2 + Energy + 2 H2O Na + ci — Nat + cr Energy + 6C0, + 6H,0 C,H,06 + 60, Bonus: Circle oxidizing agent in each reaction above Q5. Label correctly the names of different processes that generate ATP as shown below (substrate-level or oxidative phosphorylation?). [3pts] Oxidation of Organic Fuel Molecules During Cellular Respiration Electrons carried via NADH Electrons carried Via...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions increase G, or Gibbs free energy of the system, B) Hydrolysis reactions are endergonic and increase entropy of the system. C) Hydrolysis reactions are exergonic and decrease entropy of the system. D) Hydrolysis reactions are exergonic and increase entropy of the system. 8) How do cells use the ATP cycle illustrated in the figure? AAA W A) Cells use the cycle to recycle ADP...
Glucose oxidation rapidly adjusts to the dietary intake of carbohydrate. Which of these statements is true...
Glucose oxidation rapidly adjusts to the dietary intake of carbohydrate. Which of these statements is true regarding excess carbohydrate intake? Choose all that apply. Excess carbohydrates slanul the body to store amino acids Excess carbohydrates are stored as glycogen Excess carbohydrates trager the process of gluconeogenesis. Excess carbohydrates can be converted to fat. Match the term with the correct definition Synthesis of glycogen lyropeless Synthesis of fatty acids & triglycerides ketogenic amino acids Amino acids that can be used to...
no explaination is needed 28) Which of the following is true for all exergonic reactions? A)...
no explaination is needed
28) Which of the following is true for all exergonic reactions? A) The reaction proceeds with a net release of free energy B) The products have more total energy than the reactants. C) A net input of energy from the surroundings is required for the reactions to proceed. D) The reactions are nonspontaneous 29) When ATP releases some energy, it also releases Inorganic phosphate. What purpose does this serve (if any) in the cell? A) It...
please answer all. thanks. 67. * Nor involved here respiration SO or 72.> ATĚ when glucose...
please answer all. thanks.
67. * Nor involved here respiration SO or 72.> ATĚ when glucose is coinpletely oxidited to CO2H2O? The major purpose of Ozg) in aerobie respiration lor of reducing pyruvate* in anaerobie respiration is a) to phosphorylate the maximum number of ATP molecules b) regenerate NAD so the processes may Continue (c) allow for the replacement of Ho molecules that are split (d) mobilize succeeding glucose molewles glycolysis can continue 68. Carbon dioxide during which one or...
1. When ONE molecule of glucose is totally oxidized to CO2 and H2O, how many net...
1. When ONE molecule of glucose is totally oxidized to CO2 and H2O, how many net ATP molecules (or GTP equivalents) are made by oxidative phosphorylation, relative to the maximum yield?A. 30 out of 30 B. 12 out of 24 C. 26 out of 30 D. 4 out of 24 E. 4 out of 30 would the answer be E or C 2. The SEQUENCE OF THREE REACTIONS ( oxidation, hydration, and oxidation) occurs in which one(s)of the following pathways?...
1. Which of the following statements is tru questions (3 pts each) statements is true about...
1. Which of the following statements is tru questions (3 pts each) statements is true about the proton motive force (pmf)? My answer is (a) provides the free energy for substrate level phosphorylation (b) decreases as NADH oxidation increases (c) increases as ATP synthesis increases (d) is the difference in the concentration of proton rence in the concentration of proton across the inner membrane of mitochondria 2. Which of the following is true for both FAD and coenzyme Q? My...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and the other gains electrons A substance that loses electrons is reduced, while a substance e that gains electrons are oxidized B and c are both correct Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present of not? Electron transport Glycolysis The citric acid cycle Oxidative phosphorylation Chemiosmosis How many carbon atoms are fed into the cirtic acid cycle as a...
Chem 309 F17 Take Home Quiz 14 -Metabolism Caka the LAST take home Quiz for Chem 309) 1. RBCs are produced from stem cells in the bone marrow. When RBCs mature, they discard their DNA and mitochondria to make room for more hemoglobin. 1 have no nucleus, no DNA, and do not divide. a) What important energy producing biochemical pathways occur in mitochondria b) Without mitochondria, what pathway is used by RBCs to produce energy 2. The reactions for two...
Evaluate the reactions shown below, and select all true statements that apply. 2 ADP + 2 2 ATP c=0 Glucose Glycolysis сн. 2 Pyruvate 2 NAD 2 NADH 2 CO2 2 H CH H-C-OH + CH, 2 Ethanol (a) Alcohol fermentation 2 Acetaldehyde A. Glucose is the reducing agent B. NADH is being reduced. C. NAD+ is being reduced. D. Acetylaldehyde is being oxidized. E. Acetylaldehyde is the oxidizing agent F. As pyruvate is converted to acetyaldehyde, pyruvate is reduced...
Q4. Identify who is oxidized and who is reduced in following reactions. [2+2+2-6pts] CH4 + 202 - CO2 + Energy + 2 H2O Na + ci — Nat + cr Energy + 6C0, + 6H,0 C,H,06 + 60, Bonus: Circle oxidizing agent in each reaction above Q5. Label correctly the names of different processes that generate ATP as shown below (substrate-level or oxidative phosphorylation?). [3pts] Oxidation of Organic Fuel Molecules During Cellular Respiration Electrons carried via NADH Electrons carried Via...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions increase G, or Gibbs free energy of the system, B) Hydrolysis reactions are endergonic and increase entropy of the system. C) Hydrolysis reactions are exergonic and decrease entropy of the system. D) Hydrolysis reactions are exergonic and increase entropy of the system. 8) How do cells use the ATP cycle illustrated in the figure? AAA W A) Cells use the cycle to recycle ADP...
Glucose oxidation rapidly adjusts to the dietary intake of carbohydrate. Which of these statements is true regarding excess carbohydrate intake? Choose all that apply. Excess carbohydrates slanul the body to store amino acids Excess carbohydrates are stored as glycogen Excess carbohydrates trager the process of gluconeogenesis. Excess carbohydrates can be converted to fat. Match the term with the correct definition Synthesis of glycogen lyropeless Synthesis of fatty acids & triglycerides ketogenic amino acids Amino acids that can be used to...
no explaination is needed
28) Which of the following is true for all exergonic reactions? A) The reaction proceeds with a net release of free energy B) The products have more total energy than the reactants. C) A net input of energy from the surroundings is required for the reactions to proceed. D) The reactions are nonspontaneous 29) When ATP releases some energy, it also releases Inorganic phosphate. What purpose does this serve (if any) in the cell? A) It...
please answer all. thanks.
67. * Nor involved here respiration SO or 72.> ATĚ when glucose is coinpletely oxidited to CO2H2O? The major purpose of Ozg) in aerobie respiration lor of reducing pyruvate* in anaerobie respiration is a) to phosphorylate the maximum number of ATP molecules b) regenerate NAD so the processes may Continue (c) allow for the replacement of Ho molecules that are split (d) mobilize succeeding glucose molewles glycolysis can continue 68. Carbon dioxide during which one or...
1. Which of the following statements is tru questions (3 pts each) statements is true about the proton motive force (pmf)? My answer is (a) provides the free energy for substrate level phosphorylation (b) decreases as NADH oxidation increases (c) increases as ATP synthesis increases (d) is the difference in the concentration of proton rence in the concentration of proton across the inner membrane of mitochondria 2. Which of the following is true for both FAD and coenzyme Q? My...
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