cell respiration quiz

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Is cellular respiration endergonic or exergonic reactions and how much energy are released or absorbed within the reaction itself?

Answer:
a)  endergonic, 686 kcal/mol gluc
b)  exergonic, 686 kcal/mol gluc
c)  endergonic, -686 kcal/mol gluc
d)  exergonic, -686 kcal/mol gluc
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  • In cellular respiration, which substance is oxidized and which is reduced?
    a)glucose is oxidized, NAD+ is reduced
    b)glucose is reduced, NAD+ is oxidized
    c)oxygen is oxidized, NAD+ is reduced
    d)carbon dioxide is oxidized, NAD+ is reduced
    a)carbon dioxide is oxidized, NAD+ is reduced
  • What is the tendency of Hydrogen atoms when they bond with Oxygen to form water?
    a)

    downhill electrons that release their potential energy uphill


    b)

    uphill electrons that release their potential energy downhill


    c)stable electron that maintains their potential energy
    b)stable electron that maintains their potential energy
  • Enzymes called dehydrogenases break up 2 hydrogen atoms from glucose during glycolysis and are passed to NAD+, how many electrons and how many protons are passed to NAD+?
    a)

    2 e-, 2 p+


    b)1e-, 2 p+
    c)2e-, 1 p+
    d)1 e-, 1 p+
    c)1 e-, 1 p+
  • a process by which enzymes transfer phosphate groups from a substrate to ADP is called?


    a)oxidative phosphorylation
    b)

    chemiosmosis


    c)fermentation
    d)

    substrate level phosphorylation

    d)

    substrate level phosphorylation

  • What's another term for pyruvates?


    a)pyruvic acid
    b)glyceraldehyde
    c)glycemic acid
    d)glycolytic acid
    b)glycolytic acid
  • Glycolysis has 2 types of phases: they are...
    a)pyruvate making phase and NAD+ reducing phase
    b)energy payoff phase and NAD+ reducing phase
    c)energy payoff phase and energy investment phase
    d)

    8 step process, not 2

    c)

    8 step process, not 2

  • Which enzyme transfers phosphate groups in glycolysis to ADP?
    a)kinases
    b)dehydrogenases
    c)cyclins
    d)prometase
    a)prometase
  • Which organic group is removed from pyruvates before the Kreb's cycle begin in able for carbon dioxide to form as an excess?
    a)amino
    b)carbonyl
    c)carboxyl
    d)acetic
    c)acetic
  • which part of the protein always shift between reduced and oxidized states as they accept and donate electrons?
    a)prosthetic groups
    b)

    meme groups


    c)cytochrome groups
    d)ubiquinone groups
    a)ubiquinone groups
  • During the transfer of electrons by the NADH and FADH2 to the ETC, what is the pattern of transfer within the ETC chain?


    a)flavoprotein - ubiquinone - iron-sulfur protein - cytochromes A3
    b)iron-sulfur protein - flavoprotein - cytochromes - ubiquinone A3
    c)flavoprotein - cytochrome A3- ubiquinone - iron-sulfur protein
    d)flavoprotein - iron-sulfur protein - ubiquinone - cytochrome A3
    d)flavoprotein - iron-sulfur protein - ubiquinone - cytochrome A3
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Free Quiz Question From cell respiration quiz
Question: Is cellular respiration endergonic or exergonic reactions and how much energy are released or absorbed within the reaction itself?
Answer:
endergonic, 686 kcal/mol gluc
exergonic, 686 kcal/mol gluc
endergonic, -686 kcal/mol gluc
exergonic, -686 kcal/mol gluc