Homework Answers
The correct answer is
Question 1
The correct option is option b
In methanol poisoning we give ethanol as it act as competitive inhibitor
Both ethanol and methanol do Compitition for single enzyme alcohol dehydrogenase
Ethanol has better affinity with alcohol dehydrogenase so it bind and doesn't allow methanol to bind with alcohol dehydrogenase so the more toxic chemicals such as formaldehyde are not formed and methanol is excreted through the kidney
So correct answer is competitive inhibition option B
Question 2
The correct answer is option D
Fatty acid oxidation is a catabolic pathway because
A fatty acid is broken into acety coA
A bigger molecule is broken into small acetyl coA
There are 3 parts of fatty acid oxidation
1. Activation of fatty acid
2. Transport
3. Beta oxidation
The end product acetyl coA is send to citric acid cycle or TCA
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Ethanol treatment in methanol intoxication is an example of? a. Non-competitive inhibition b. Competitive inhibition C....
. Increased levels of circulating ATP would likely inhibit which of the following pathways? a. Protein...
. Increased levels of circulating ATP would likely inhibit which of the following pathways? a. Protein synthesis b. Glycolysis c. Lipogenesis d. Glycogenesis , end product is The starting substrate for anaerobic glycolysis is and it is a pathway. a. Glucose, lactate, catabolic b. Glucose, pyruvate, anabolic C. Free fatty acids, triglyceride, catabolic d. Glycogen, glucose, catabolic
3 20 The conversion pyruvate to either ethanol or lactate occurs A. when there is an abundance of pyruvate but a deficiency of onygen B. when there is an abundance of BOTH pyruvate and oxygen C....
3 20 The conversion pyruvate to either ethanol or lactate occurs A. when there is an abundance of pyruvate but a deficiency of onygen B. when there is an abundance of BOTH pyruvate and oxygen C. when there is a deficiency of BOTH pyruvate and oxygen D. for the regeneration of NADH so that hydrolysis of ATP can continue to fuel the glycolysis pathway Explain how gluconeogenesis differs from gtycolysis 21 Gluconeogenesis is simply the reverse of all 10 steps...
6. The active site A. is located on an enzyme. B. is rich in amino acids....
6. The active site A. is located on an enzyme. B. is rich in amino acids. C. is located on a substrate. D. A. and B. E. B. and C. 9. Which of the following molecules is the oxidizing agent in cellular respiration? A. H2O B. Glucose C.O2 D. CO2 10. The substrate for glycolysis is A. Glucose. B. Acetyl-coA. C. Pyruvate D. NADH 12.Which of the following is a product of glycolysis? A. FADH2 B. CO2 C. GTP D....
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the...
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the mitochondrion in animal cells, 2 nor Section A B. utilises NADH as an electron donor C) requires NADPH as a substrate. D. requires acetic acid as a substrate. E. consists of a single multifunctional protein in plants and bacteria. 41.One round of beta oxidation produces 1 molecule of acetyl-CoA from a saturated Acyl-CoA molecule. Which reducing equivalents are made in this process in which...
Microbiology In the competitive inhibition of enzyme activity, which statement is correct? Inhibitor directly competes with...
Microbiology In the competitive inhibition of enzyme activity, which statement is correct? Inhibitor directly competes with the substrate. Less substrates must be added in order to reach Vmax. The number of active sites is unlimited. None of the above. In the noncompetitive inhibition of enzyme activity, which statement is correct?Inhibitors will cause a conformational change in the enzyme, more substrate must be added to reach Vmax, Enzymes bound to the inhibitor can still bind substrate, none of the above. ....
2 NAD NADII and FAD/TADHa s bo (a) function as coenaymes b) ageats to anfer elesrons...
2 NAD NADII and FAD/TADHa s bo (a) function as coenaymes b) ageats to anfer elesrons in beokugical oxidalion reduction reactions a source of energy in the comunon casabolic pathway (d) function as an agent to transfer 26 The final product of the common catabolic pathway ts aHO (b) ATP () NAD () co, (e all of these (a. b, c and d) 27. The molecule used by the body to transfer and store energy is (a) NAD (b) ATP...
1. A catalyst enhances the reaction rate by: a. Adding energy to the reaction b. Increasing...
1. A catalyst enhances the reaction rate by: a. Adding energy to the reaction b. Increasing the activation energy required for the reaction c. Reducing the activation energy required for the reaction d. Improving binding of the product to the active site 2. Numerical answer: During aerobic respiration how many ATP molecules are produced by the oxidation of a single molecule of pyruvate? 3. The trace elements magnesium and zinc, which are required for bacterial growth, are typically used as:...
Match the term to the correct description. Choices may only be used once. Group of...
Match the term to the correct description. Choices may only be used once. Group of answer choices [ Choose ] An inhibitor molecule binds to the active site. Part of an enzyme where the substrate binds to Protein molecules that function as biological catalysts An inhibitor molecule binds to an allosteric site and prevents the substrate from binding to the active site. A substance...
5. As indicated in the KEGG pathways for fatty acid degradation and biosynthesis which pathway does NOT use acetyl-CoA as a substrate? A. citric acid cycle B. butanoate metabolism C. fatty acid b...
5. As indicated in the KEGG pathways for fatty acid degradation and biosynthesis which pathway does NOT use acetyl-CoA as a substrate? A. citric acid cycle B. butanoate metabolism C. fatty acid biosynthesis D. glycolysis 6. Which statement is consistent with the comparison of fatty acid biosynthesis in humans and in Helicobacter pylori 2017? A. Both organisms use the same multifunctional enzyme B. Humans use separate proteins to catalyze each step, while H. pylori 2017 uses one multifunctional enzyme to...
Short answer questions, answer on blank paper. These questions cannot be answered without work, you must...
Short answer questions, answer on blank paper. These questions cannot be answered without work, you must show all work for full credit. 1. (8 points) Given the following metabolic pathway of aspartate to pyruvate, all of which occurs in the cytosol thus requiring transport of electrons into the mitochondria, calculate the number of ATP that can produced from the complete cxcidation of aspartate in the muscle aspartate oxaloacetate m NAD NADH NADH NAD alate Pyruvate NAD NADH 2. (7 points)...
. Increased levels of circulating ATP would likely inhibit which of the following pathways? a. Protein synthesis b. Glycolysis c. Lipogenesis d. Glycogenesis , end product is The starting substrate for anaerobic glycolysis is and it is a pathway. a. Glucose, lactate, catabolic b. Glucose, pyruvate, anabolic C. Free fatty acids, triglyceride, catabolic d. Glycogen, glucose, catabolic
3 20 The conversion pyruvate to either ethanol or lactate occurs A. when there is an abundance of pyruvate but a deficiency of onygen B. when there is an abundance of BOTH pyruvate and oxygen C. when there is a deficiency of BOTH pyruvate and oxygen D. for the regeneration of NADH so that hydrolysis of ATP can continue to fuel the glycolysis pathway Explain how gluconeogenesis differs from gtycolysis 21 Gluconeogenesis is simply the reverse of all 10 steps...
6. The active site A. is located on an enzyme. B. is rich in amino acids. C. is located on a substrate. D. A. and B. E. B. and C. 9. Which of the following molecules is the oxidizing agent in cellular respiration? A. H2O B. Glucose C.O2 D. CO2 10. The substrate for glycolysis is A. Glucose. B. Acetyl-coA. C. Pyruvate D. NADH 12.Which of the following is a product of glycolysis? A. FADH2 B. CO2 C. GTP D....
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the mitochondrion in animal cells, 2 nor Section A B. utilises NADH as an electron donor C) requires NADPH as a substrate. D. requires acetic acid as a substrate. E. consists of a single multifunctional protein in plants and bacteria. 41.One round of beta oxidation produces 1 molecule of acetyl-CoA from a saturated Acyl-CoA molecule. Which reducing equivalents are made in this process in which...
2 NAD NADII and FAD/TADHa s bo (a) function as coenaymes b) ageats to anfer elesrons in beokugical oxidalion reduction reactions a source of energy in the comunon casabolic pathway (d) function as an agent to transfer 26 The final product of the common catabolic pathway ts aHO (b) ATP () NAD () co, (e all of these (a. b, c and d) 27. The molecule used by the body to transfer and store energy is (a) NAD (b) ATP...
1. A catalyst enhances the reaction rate by: a. Adding energy to the reaction b. Increasing the activation energy required for the reaction c. Reducing the activation energy required for the reaction d. Improving binding of the product to the active site 2. Numerical answer: During aerobic respiration how many ATP molecules are produced by the oxidation of a single molecule of pyruvate? 3. The trace elements magnesium and zinc, which are required for bacterial growth, are typically used as:...
5. As indicated in the KEGG pathways for fatty acid degradation and biosynthesis which pathway does NOT use acetyl-CoA as a substrate? A. citric acid cycle B. butanoate metabolism C. fatty acid biosynthesis D. glycolysis 6. Which statement is consistent with the comparison of fatty acid biosynthesis in humans and in Helicobacter pylori 2017? A. Both organisms use the same multifunctional enzyme B. Humans use separate proteins to catalyze each step, while H. pylori 2017 uses one multifunctional enzyme to...
Short answer questions, answer on blank paper. These questions cannot be answered without work, you must show all work for full credit. 1. (8 points) Given the following metabolic pathway of aspartate to pyruvate, all of which occurs in the cytosol thus requiring transport of electrons into the mitochondria, calculate the number of ATP that can produced from the complete cxcidation of aspartate in the muscle aspartate oxaloacetate m NAD NADH NADH NAD alate Pyruvate NAD NADH 2. (7 points)...
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