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CHEM 452 Biochemistry I

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Biochemistry I Questions & Answers


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  • 33 terms

    Term:

    1. Which of the following is not true of the reaction catalyzed by the pyruvate dehydrogenase complex? A) Biotin participates in the decarboxylation. B) Both NAD' and a flavin nucleotide act as electron carriers. C) The reaction occurs in the mitochondrial matrix. D) The substrate is held by the lipoyl-lysine "swinging arm." E) 'I'wo different cofactors containing -SH groups participate.

    Definition:

    A) Biotin participates in the decarboxylation.

    • The TCA Cycle 1 Chemistry | CHEM 452 | Biochemistry I
    • 33 terms
    • Vocabulary for The TCA Cycle 1 Chemistry | CHEM 452 | Biochemistry I. Find, create, and access flashcards with Course Hero.
  • 10 terms

    Term:

    1. Which of the following is not required in the synthesis of fatty acids? A) Acetyl-COA B) Biotin C) HCO; (CO2) D) Malonyl-CoA E) NADH

    Definition:

    E) NADH

    • Fatty Acid Synthesis 2 Chemistry | CHEM 452 | Biochemistry I
    • 10 terms
    • Vocabulary for Fatty Acid Synthesis 2 Chemistry | CHEM 452 | Biochemistry I. Find, create, and access flashcards with Course Hero.
  • 16 terms

    Term:

    Triacylglycerols are composed of: A) a glycerol backbone. B) three fatty acids. C) amide linkages between the fatty acids and the glycerol. D) A and B above. E) A, B, and C above.

    Definition:

    D) A and B above

    • Lipids 3 Chemistry | CHEM 452 | Biochemistry I
    • 16 terms
    • Vocabulary for Lipids 3 Chemistry | CHEM 452 | Biochemistry I. Find, create, and access flashcards with Course Hero.
  • 11 terms

    Term:

    20. Palmitoyl-CoA, , is a direct precursor of: A) cholesterol. B) malonyl-CoA. C) mevalonate D) sphingosine. E) squalene.

    Definition:

    D) sphingosine.

    • Lipids Chemistry | CHEM 452 | Biochemistry I
    • 11 terms
    • Vocabulary for Lipids Chemistry | CHEM 452 | Biochemistry I. Find, create, and access flashcards with Course Hero.
  • 10 terms

    Term:

    11. The enzyme system for adding double bonds to saturated fatty acids requires all of the following except: A) a mixed-function oxidase. B) ATP. C) cytochrome bs. D) molecular oxygen (Oz). E) NADPH.

    Definition:

    B) ATP.

    • Fatty acid synthesis 1 Chemistry | CHEM 452 | Biochemistry I
    • 10 terms
    • Vocabulary for Fatty acid synthesis 1 Chemistry | CHEM 452 | Biochemistry I. Find, create, and access flashcards with Course Hero.
  • 7 terms

    Term:

    31. Which of the following is not a step in the uptake of cholesterol from the bloodstream into cells? A) LDL containing ApoB-100 is recognized by the LDL receptor. B) LDL bound to the LDL receptor leads to endocytosis of the complex. C) The cholesteryl esters in the LDL are hydrolyzed to release free cholesterol. D) The intemalized receptor is degraded. E) The ApoB-IOO protein is degraded.

    Definition:

    D) The internalized receptor is degraded.

    • Lipids Set 2 Chemistry | CHEM 452 | Biochemistry I
    • 7 terms
    • Vocabulary for Lipids Set 2 Chemistry | CHEM 452 | Biochemistry I. Find, create, and access flashcards with Course Hero.

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