Malonyl CoA transacylase catalyzes the committed step in fatty acid biosynthesis. O True O False
Q: Malonyl-CoA synthesized by the action of acetyl-CoA carboxylase II is primarily used: a. To…
A: Acetyl CoA is produced in mitochondria and cannot leave mitochondria so it combines with…
Q: Oxidative deamination is also involved in the synthesis of amino acids. O True O False
A: Oxidative deamination is a process in which α-keto acids and other oxidized products from…
Q: High concentration of NADPH increases the rate of the pentose phosphate pathway by stimulating…
A: The pentose phosphate pathway converts glucose into ribose sugart in cytosol, the 5 step reaction…
Q: Glucagon secretion inhibits intracellular acetyl-CoA carboxylase activity through a number of…
A: The hormone glucagon is capable of regulating the activity of acetyl-CoA carboxylase. It activates…
Q: Glycogen catabolism occurs when glucose monomers are cleaved from the glycogen molecule, catalyzed…
A: Glycogen is a polysaccharide made up of glucose monomers. It contains linear chains with α-1,4…
Q: During fatty acid biosynthesis, acetyl ACP is the donor of the acetyl group. True False
A: Intermediates in fatty acid biosynthesis are attached to acyl carrier protein (ACP). Malonyl-CoA…
Q: 1. Deficiency of glucose-6-phosphate dehydrogenase is the disorder of which pathway? A. HMP shunt B.…
A: Hexose monophosphate shunt (HMP) or pentose phosphate pathway is an alternative pathwy to glucose…
Q: During fatty acid biosynthesis, propionyl CoA is the donor of the acetyl group. O True O False
A: Fatty acid biosynthesis occurs in the cytoplasm and endoplasmic reticulum of the cell. They are…
Q: 26. These catalyze oxidation and reduction reactions, e.g. pyruvate dehydrogenase, catalysing the…
A: As per our policy, We are answering only question 1. For the rest of the questions please repost.…
Q: Citrate carries acetyl CoA to the cytosol which is the site of fatty acid biosynthesis. O True O…
A: Fatty acid biosynthesis is the formation of fatty acids from acetyl-CoA and NADPH through the action…
Q: Lactate dehydrogenase O is needed for oxidative metabolism of glucose O only functions in muscle O…
A: In the metabolic process, the enzyme is extremely important. They enhance the rate of reaction by…
Q: Which is an ACTIVATOR of fatty acid biosynthesis O epinephrine O citrate O glucagon O palmityoyl CoA
A: Fatty acid synthesis is the formation of fatty acids from acetyl-CoA and NADPH by the action enzymes…
Q: true or false during fatty acid biosynthesis, the product detaches from the fatty acid synthase…
A: Fatty acid synthesis is a metabolic reaction in which fatty acids are formed from acetyl-CoA and…
Q: In gluconeogenesis, the precursor of lactate is O Glucose O Phosphoenolpyruvate O Pyruvate O…
A: In gluconeogenesis the precursor for lactate is Pyruvate is correct. Pyruvate because from cori…
Q: Under conditions of strenuous activity (anaerobic) the product is: acetyl CoA pyruvate lactate
A: Ans- lactate
Q: full oxidation of 2 moles of glucos cose produce 36ATP O
A: Overall ATP production for glucose oxidation : C6H12O6 + 6CO2 + ADP +Pi -----> 6CO2 + 6H2O +ATP
Q: Suppose a mutant Fatty Acid synthase only synthesizes a FA 14 Carbons long. How many ATP will the…
A: Acetyl CoA is a hybrid molecule that is involved in a variety of metabolic processes in the body. As…
Q: Consider the following reaction sequence. glucose 1-phosphate + UTP UDP-glucose +-0- UDP-glucose +…
A: Glucose is a carbohydrate molecule and is a monosaccharide or a simple sugar molecule. It is the…
Q: How many molecules of acetyl-CoA result from catabolism of 1 molecule of glyceryl trilaurate? (Hint:…
A: The given compound is glyceryl trilaurate (C39H74O6). Total number of carbon = 39 For even chain…
Q: The first step in liver's metabolism of fructose is: O a. cleavage by aldolase O b. phosphorylation…
A: Fructolysis refers to the metabolism of fructose from dietary sources. Fructose is almost…
Q: Which of the following statements is TRUE about fatty acid biosynthesis? Citrate carries malonyl CoA…
A: Triacylglycerol are the triesters of glycerol and fatty acids. Each molecule of glycerol is bonded…
Q: After 16 hours of fasting, your brain cells need energy and since brain uses glucose as a major…
A: Eicosanoids are oxidized derivatives of 20-carbon polyunsaturated fatty acids (PUFAs). The…
Q: Choose lex all of He folloiwg cxn/autherays theat would produce NADH. a Gluconeegenesis Pentose…
A: NADH is nicotinamide adenine dinucleotide and hydrogen. NADH is the reduced form of NAD+ which is…
Q: Acetyl CoA-ACP transacylase catalyzes the committed step in fatty acid biosynthesis. O True False
A: Fatty acid biosynthesis is the formation of fatty acids from acetyl CoA and NADPH through a number…
Q: Acetyl-CoA AG" = -7.7 kcal/mol COA Fatty acids Oxaloacetate Citrate AG" = -1.5 kcal/mol Isocitrate…
A: The free energy change (∆Gº) of a chemical reaction is the amount of energy released in the…
Q: Citrate Synthase exists as a dimer but can catalyze the formation of only 1 citrate from Acetyl-CoA…
A: The formation of citrate from Acetyl- CoA, and Oxaloacetate is catalyzed by the enzyme citrate…
Q: During fatty acid biosynthesis, NADH is used as the reducing equivalent in the process. True False
A:
Q: Pyruvate dehydrogenase catalyzes the conversion of pyruvate to acetyl CoA. In this reaction, one…
A: Pyruvate dehydrogenase Enzyme is a complex of three enzymes that are important for decarboxylation…
Q: Cori cycle involves the transport of lactate from skeletal muscle to the liver for gluconeogenesis…
A: Gluconeogenesis means the production of sugars. It is a catabolic process by which an organism…
Q: Isopentyl pyrophosphate (activated isoprene) undergoes cyclization during cholesterol biosynthesis.…
A: a. Cholesterol is the major sterol present in animal tissues. b. The major site for fatty acid…
Q: The activated form of glucose that serves as glucose donor for glycogen synthesis is formed by the…
A: The end products of starch digestion in the gastrointestinal canal seem to be almost entirely…
Q: The synthesis of glucose inside the body from non-carbohydrate substances is called gluconeogenesis.…
A: It is a true false question.
Q: All the reactions involved during gluconeogenesis occur in the cytosol except the one catalyzed by…
A: Gluconeogenesis is the process of synthesis of glucose from non Carbohydrate sources like aminoacids…
Q: Thioester play an important role in glycolysis and the TCA cycle. Which reactions in glycolysis and…
A: Thioesters usually come from/get interconverted with the acyl phosphate species, or acyl adenylate
Q: Glucagon stimulates B-oxidation but inhibits fatty acid biosynthesis. O True O False
A: Lipogenesis : the formation of fats(fatty acids).
Q: Suggest a name for an enzyme that catalyzes each of t a.) Oxidation of nitrite b.) Decarboxylation…
A: An enzyme is a substance that acts as a catalyst in living organisms, regulating the rate at which…
Q: What commits the conversion of glucose to pyruvate? synthesis of glyceraldehydes-3-P O synthesis of…
A: Introduction Pyruvate is the conjugate base of pyruvic acid and one of the important molecules which…
Q: What are the direct products of b oxidation of a fully saturated, straight-chain fatty acid of 11…
A: A fatty acid is made of a long chain of hydrocarbon that contains carboxylic acid as the functional…
Q: Farnesyl pyrophosphate undergoes cyclization during cholesterol biosynthesis. O True O False
A: Farnesyl Pyrophosphate undergoes cyclization during cholesterol biosynthesis. This statement is…
Q: During fatty acid biosynthesis, the product detaches from fatty acid synthase complex when the chain…
A: Fatty acid synthesis is the formation of fatty acids from acetyl-CoA and NADPH by the enzyme fatty…
Q: Lysine can be degraded to oxaloacetate, the latter a precursor for glucose biosynthesis. True O…
A: Amino acids are primarily required for the synthesis of muscles. Some amino acids can be synthesized…
Q: Cori cycle involves the transport of lactate from skeletal muscle to the liver for gluconeogenesis…
A: Glucose is the main source of energy in the body. Glucose obtained from carbohydrate metabolism is…
Q: Much of the regulation of gluconeogenesis is a result of the inhibition of glycolysis. O True O…
A: Gluconeogenesis is the metabolic process by which sugars (namely glucose)is produced for catabolic…
Q: If Acetyl-CoA carboxylase is used to catalyze the synthesis of malonyl-coA from acetyl-CoA and…
A: Palmitate is a saturated fatty acid made up of 16 carbons. It is synthesized from acetyl CoA by the…
Q: After three rounds of oxidation, the fatty acyl-CoA has been shortened by carbons due to the…
A: Oleic acid is an example of mono unsaturated fatty acid (MUFA) as it has a cis double bond between…
Q: Phosphoenolpyruvate serves as the precursor of the glycerol backbone during TAG biosynthesis. O True…
A: Phosphoenolpyruvate is an intermediate of the glycolytic pathway. Glycolysis occurs in the cytoplasm…
Q: Oxaloacetate carries acetyl CoA to the cytosol which is the site of fatty acid biosynthesis. O True…
A: Fatty acids are long chain carboxylic acid molecules. These are synthesized from acetyl CoA in the…
Q: Which of these enzymes is not involved in both glycolysis and gluconeogenesis Phosphoglycerate…
A: Glycolysis is the splitting of a glucose molecule into two pyruvate molecules. The glycolysis takes…
Q: 1. Deficiency of glucose-6-phosphate dehydrogenase is the disorder of which pathway? A. HMP shunt B.…
A: Deficiency of glucose 6 phosphate dehydrogenase is a disorder of HMP pathway. HMP pathway is a…
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- Radiolabeling with 14C-Glutamate Describe the labeling pattern that would result from the introduction into the TCA cycle of glutamate labeled at Cy with 14C.How many molecules of Acetyl-CoA will be produced after complete ẞ-oxidation pathway of a 20:0 fatty acid? 12 14 10 8Degradation of fats as an energy source involves all of the following excepta) β -oxidation.b) acetyl-CoA.c) glycerol.d) lipase.e) transamination.
- All of the following classes of enzymes catalyze the Fatty acid synthesis except a. synthetase b. Synthase c. Carboxylase d. DehydrgenLysine is degraded to acetoacetyl-CoA then to acetyl-CoA, and is described as a _______ amino acid. a.polar b.glucogenic c.keto-gluco d.ketogenicPyruvate dehydrogenase catalyzes the conversion of pyruvate to acetyl CoA. In this reaction, one molecule each of the catalytic coenzymes TPP, FAD and lipoamide participate in the reaction but are not consumed. OTrue O False
- When fatty acids are not completely metabolized, they are often converted into: Glucose Oxaloacetate O Amino Acid O Acetyl CoA molecules O None of these answers are correct.True or False e. Triacylglycerols and glycerophospholipids both contain fatty acids and saponifiable. True False f. Pyruvate serves as the precursor of the glycerol backbone during TAG biosynthesis. True FalseIs the statement much of the regulation of gluconeogenesis a result of the inhibition of glycolysis incorrect or correct?
- A higher concentration of NADH in the liver is associated with an increase in gluconeogenesis. Your thoughts on this assertion?true/false: The cofactor ATP is essential in all transamination reactions.All the reactions involved during gluconeogenesis occur in the cytosol except the one catalyzed by phosphoenolpyruvate carboxykinase. Group of answer choices True False
