Gluconeogenesis involves the conversion of
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CHOOSE THE CORRECT LETTER....
1.Gluconeogenesis involves the conversion of
A.pyruvate to glucose
B.glucose to pyruvate
C. phosphoenol pyruvate to glucose
D.pyruvate to fructose
2.Stearic acid requires eight cycles of B-oxidation to be completely converted to acetyl-CoA.
A. True
B. False
3.ATP is produced from the electron transport system via oxidative phosphorylation.
A. True
B. False
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- CHOOSE THE CORRECT LETTER 1.Stearic acid requires eight cycles of B-oxidation to be completely converted to acetyl-CoA.A. TrueB. False 2.ATP is produced from the electron transport system via oxidative phosphorylation.A. TrueB. FalseNot all of the acetyl-CoA from the mitochondria is carboxylated to malonyl-CoA because some are used in the? a.ß-oxidation cycles b.production of ATP c.priming step of the fatty acid biosynthesis d.conversion to pyruvateAcetyl-CoA can be synthesized a. By pyruvate dehydrogenase or fatty acid ?-oxidation b. All the answers are true c. From pyruvate or fatty acids d. In the matrix of the mitochondria
- The sources of the three (3) carbons in malonyl-Coa is/are: a. 1 C from C02 and 2 C from acetyl-CoA b. 1 C from HCO3- and 2 C from acetyl-CoA c. 1 C from biotin and 2 C from acetyl-CoA d. All three C from acetyl-CoACHOOSE THE CORRECT LETTER 1.Which of the following enzymes catalyze the reaction involved in the production of FADHy in the Kreb's cycle?A. malate dehydrogenaseB. a-ketoglutarate dehydrogenaseC.isocitrate dehydrogenaseD. succinate dehydrogenase 2.Steric acid requires eight cycles of B-oxidation to be completely converted to acety/-CoA.A.TrueB. FalseTomorrow morning, you decide to sprint a quick mile before breakfast. Which enzymes will be actively metabolizing fuel in your myocytes during the sprint? Choose ALL that apply. (A) acetyl CoA carboxylase 1(B) fructose 1,6 bisphosphatase (C) glycogen phosphorylase(D) HMG-CoA reductase(E) a-ketoglutarate dehydrogenase (F) lactate dehydrogenase(G) mitochondrial b-ketothiolase (H) phosphofructokinase 1
- CHOOSE THE CORRECT LETTER 1.Glycogenesis is favored when there is low ATP concentration. Glycogenolysis is favored when there is a low ATP concentrationA. Only the second statement is correctB. Both statements are correctC. Neither statements are correctD. Only the first statement is correct 2.High energy condition favors glycolysis, Krebs cycle and b-oxidation of fatty acids. Low energy condition favors glycogenesis andfatty acid synthesis.A. Neither statements are correctB.Only the first statement is correctC.Only the second statement is correctD. Both statements are correctWhen one acetyl CoA is processed through the citric acid cycle, how many times does each of the following events occur? a. A FAD molecule is a reactant. b. A CoA-SH molecule is produced. c. A dehydrogenase enzyme is needed for the reaction to occur. d. A C5 molecule is produced.A higher concentration of NADH in the liver is associated with an increase in gluconeogenesis. Your thoughts on this assertion?
- Consider the following statements: (1) the products of the first two stages of cholesterol biosynthesis are, respectively, mevalonate (C6) and isopentyl pyrophosphate (2) Over 90 percent of the total dietary lipids are triaglycerols (3) The activation stages of fatty acid oxidation involves both CoA & ATP Choices: a. Only one of the statements is true b. All three statements are true c. Two of the three statements are true d. None of the statements are trueCan you please pick the right answer in each parentheses (a) to (e)? Coenzymes are nonprotein compounds that are required for the activity of certain enzymes. One critical coenzyme central to metabolism is NAD+. In fact it is one of 5 coenzymes required by (a)< "pyruvate dehyrogenase" vs "citrate synthase" > , the critical enzyme for producing Acetyl-CoA. NAD+ is synthesized from (b)< "niacin (vitamin B3)" vs "acetate" > as was discovered to be critical for health by two American scientists, (c)<"Joseph Goldberger and Conrad Elvehjem" vs "Linus Pauling and Eric Lander"> , in the early 20th century. Dietary lack of this critical molecule produces pellagra, characterized by the following symptoms: (d)<"skin inflammation, dementia, diarrhea" vs "chorea-like movement">. People with these problems were found in parts of the U.S. where diets lacked vegetables and consisted principally of corn. Interestingly, soaking the corn in (e)<"salt water" vs…If your liver cells contained a mutation in ACC2 that rendered it constitutively inactive, what two downstream effects might you see as a result? Choose the TWO correct answers. (A) overproduction of malonyl CoA in the mitochondria (B) increase in ketone body synthesis(C) decreased rates of fatty acid oxidation(D) fewer VLDL particles produced by the liver (E) accumulation of fatty acyl-CoA in the cytoplasm