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D ( Pyruvate is an amino group acceptor in liver in transamination reaction and glutamate produced during this reaction)
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14. The interorgan pathway that allows transport of nitrogen from muscle to the liver utilizes as...
Can someone please check my answers and aid in #12? 1. The amide nitrogen of glutamine:...
Can someone please check my answers and aid in #12? 1. The amide nitrogen of glutamine: A. represents a nontoxic transport form of ammonia. B. is a major source of ammonia for urinary excretion. C. is used in the synthesis of asparagine, purines, and pynimidines. D. can be recovered as ammonia by the action of glutaminase. E. all of the above are correct. 2- Which of the following statements about glutamate is NOT true: a It can be synthesized in...
Alanine is an allosteric inhibitor of liver pyruvate kinase. What might be the reason? In choosing...
Alanine is an allosteric inhibitor of liver pyruvate kinase. What might be the reason? In choosing your answer consider the role of alanine in the glucose-alanine cycle. Select one: a. It reduces the amount of ATP available for the urea cycle. b. It reduces the availability of pyruvate as an acceptor for the amino-groups derived from alanine. c. It reduces the use of phosphenolpyruvate in glycolysis. d. It increases the synthesis of glycerol-3-phosphate for fat biosynthesis. e. It reduces the...
1. In the degradation of amino acids in muscle NH4+ is carried to the liver for...
1. In the degradation of amino acids in muscle NH4+ is carried to the liver for conversion into urea by: A. asparagine. B. any amino acid. C. glutamine. D. either alanine or glutamine. E. alanine.
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...
1.histones are proteins that make up nucleosomes. they bind to the backbone of DNA in chromosomes....
1.histones are proteins that make up nucleosomes. they bind to the backbone of DNA in chromosomes. A majority of the residues in these proteins must be ___ for this to occur a) hydrophobic b) neg charged c)hydrophilic and neutral d)pos charged e)cytseines 2. the stability of a protein secondary structure is mostly due to a) the hydrogen bonding between the amide groups within the backbone of the protein b) the attraction for water molecules by hydrophobic amino acid residues c)...
Options for each are lactate, alanine, acetaldehyde, oxaloacetate, and acetyl-CoA. Match the following showing reaction products...
Options for each are lactate, alanine, acetaldehyde,
oxaloacetate, and acetyl-CoA.
Match the following showing reaction products of pyruvate: a) Decarboxylation by pyruvate decarboxylase b) Carboxylation c) Transamination d) Reduction e) Decarboxylation by pyruvate dehydrogenase
1. [04] At the end of nitrogen fixation, the following reaction occurs: N2 + 8 +...
1. [04] At the end of nitrogen fixation, the following reaction occurs: N2 + 8 + 2 Nike + H2 a. What product belongs in the blank? b. How many electrons (e s) are involved in the above reaction and where do they come from? c. What does “Mo" have to do with nitrogen fixation? d. For each nitrogen atom "fixed", 13 APTs are required? Show how is that number of ATPs calculated? 2. [04] The synthesis of the urea...
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...
Mr. Q wants to know why he has developed a fatty liver. You would give him...
Mr. Q wants to know why he has developed a fatty liver. You would give him all of the following reasons except: a. The accumulation of the niacin coenzymes with their hydrogens and electrons slows down the TCA cycle so that pyruvate and acetyl CoA levels build up. b. The excess acetyl CoA is used to make fatty acids, which accumulate as fat in the liver. c. When the enzymes oxidize alcohol, they remove hydrogens and high energy electrons and...
6. Choose the correct answer: 1. In non-oxidative deamination, amino acid is converted into........ a hydrochloric...
6. Choose the correct answer: 1. In non-oxidative deamination, amino acid is converted into........ a hydrochloric acid b. Pyruvate C. carboxylic acid 2. Process of breakdown of amino acids to a keto acids is called... a. Amination b. transamination c. deamination 3. Function of proteins is to ........ A. catalyze biochemical reactions. c. synthesis of nucleoproteins. b. regulates reactions d. all of above. 4.Transamination is catalyzed by.......... a. hydrogenases. b. glutamate transaminase. c.dehydrogenases. 5. the source of amino acid pool...
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...
Options for each are lactate, alanine, acetaldehyde,
oxaloacetate, and acetyl-CoA.
Match the following showing reaction products of pyruvate: a) Decarboxylation by pyruvate decarboxylase b) Carboxylation c) Transamination d) Reduction e) Decarboxylation by pyruvate dehydrogenase
1. [04] At the end of nitrogen fixation, the following reaction occurs: N2 + 8 + 2 Nike + H2 a. What product belongs in the blank? b. How many electrons (e s) are involved in the above reaction and where do they come from? c. What does “Mo" have to do with nitrogen fixation? d. For each nitrogen atom "fixed", 13 APTs are required? Show how is that number of ATPs calculated? 2. [04] The synthesis of the urea...
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...
6. Choose the correct answer: 1. In non-oxidative deamination, amino acid is converted into........ a hydrochloric acid b. Pyruvate C. carboxylic acid 2. Process of breakdown of amino acids to a keto acids is called... a. Amination b. transamination c. deamination 3. Function of proteins is to ........ A. catalyze biochemical reactions. c. synthesis of nucleoproteins. b. regulates reactions d. all of above. 4.Transamination is catalyzed by.......... a. hydrogenases. b. glutamate transaminase. c.dehydrogenases. 5. the source of amino acid pool...
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