Choose A=if statement 1 and statement 2 are both true; B=if statement 1 is true but statement 2 is false; C=ifstatement 1 is false but statement 2 is true; D=if statement 1 and statement 2 are both false1. Transamination reaction involves conversion of amino acids to their respective alpha-ketoacids2. In beta oxidation, 2 carbon units are progressively removed from the carboxyl end of the fatty acidSelect the correct response:BA Choose A-if statement 1 and statement 2 are both true; B-if statement 1 is true butstatement 2 is false; C=if statement 1 is false but statement 2 is true; D=if statement 1 andstatement 2 are both false1. Acetyl CoA is essential for the synthesis of cholesterol2. Tricarboxylic acid cycle operates only under anaerobic conditionSelect the correct response:BD

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Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Similar questions

Compare between the Kreb cycle and fatty acid synthesis pathways in term of: 1. The type of metabolic pathway (catabolic or anabolic). 2. The reducing or oxidizing coenzymes needed for these pathways 3. Location of these pathways inside the cell. 4. Fate of acetyl CoA in both pathways
Starting with a 4-carbon growing fatty acid attached to the ketoacyl synthase (KSase) site, and a malonate attached to the malonyl transferase (MTase) site in an animal fatty acid synthase (FAS) enzyme complex, draw the next reactions/events that result in the extension and processing of the fatty acid by two more carbons to make the saturated 6-carbon fatty acid.
Part A Identify each of the following metabolic pathways. Drag the appropriate labels to their respective targets. Reset Help the conversion of fatty acids to 2-carbon units of acetyl CoA ketogenesis the conversion of an amino acid to an a-keto transamination acid the combination of 2-carbon units of acetyl COA to form fatty acids oxidative deamination the removal of an amino group as NH4+ from B oxidation glutamate to yield a-ketoglutarate lipogenesis the production of ketone bodies
Assume that the following fatty acid is synthesized from acetyl-CoA in the cytosol by fatty acidsynthase. Which of the following statements is true? The last two carbon atoms that are added to the fatty acid are carbon atoms #15 and #16 Synthesis of the fatty acid needs 8 molecules of NADPH + H+ Both A and B Neither A nor B
Activation of the fatty acid (converting it to fatty acyl-SCoA) requires the expenditure of 2 ATPs. Use your answers from parts B and C to calculate the total number of ATPs generated from the metabolism of a saturated fatty acid with 18 carbon atoms including both the citric acid cycle and the ββbeta-oxidation pathway as well as the initial ATP required to produce the acyl-SCoA molecule that starts the process. Express your answer as an integer.
Fatty acids are oxidized by acyl COA dehydrogenase. Branched fatty acids, containing a methyl group at beta carbons cannot be oxidized by this enzyme. How does the oxidation of such branched fatty acids take place? Explain with all set of reactions and enzymes involved.. give necessary detail.. avoid cpy righting
Identify different types of organic reaction mechanims in the followingmetabolic pathways.1. Catabolism of triacylglycerols- beta-oxidation pathway2. Biosynthesis of fatty acids from Acetyl CoA3. Glycolysis (from glucose to two molecules of pyruvate)
Identify whether each of the following is involved in b-oxidation or fatty acid synthesis?(a) NAD+(b) Malonyl-ACP
Which of the following statements is TRUE about fatty acid biosynthesis? Group of answer choices: NADH is used as the reducing equivalent in the process. Malonyl ACP is the donor of the acetyl group. The product detaches from the fatty acid synthase complex when the chain length is usually 18 carbons. Oxaloacetate carries acetyl CoA to the cytosol.
Fatty acids from stored triacylglycerols (fat) are not available for gluconeogenesis. Speculate why we do not have the enzymes to directly convert fatty acids into glucose. Plants (especially seeds) do have enzymes to convert fatty acids into carbohydrates. Why are they so lucky?
During fatty acid synthesis, which of the below is the product of β-enoyl-ACP reductase:
Decide whether each of the following statements is true about leucine transaminase. It's an enzyme, and leucine is its substrate. It speeds up the rate at which leucine is converted to other substances. It's a small molecule, with a molecular weight around 50 mol If you were to write a chemical equation for certain biochemical reactions of leucine, leucine transaminase would appear on both sides. Otrue Ofalse Otrue Ofalse Otrue Ofalse Otrue Ofalse X

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