Biology Chapter 10

Last update by al-moh111 on 06/04/2014
1874504 People have viewed this Quiz
  • Share

When electrons flow along the electron transport chains of mitochondria, which of the following changes occurs?

A) The pH of the matrix increases.

B) ATP synthase pumps protons by active transport.

C) The electrons gain free energy.

D) The cytochromes phosphorylate ADP to form ATP.

E) NAD+is oxidized.



Answer:

A) The pH of the matrix increases.



View Biology Chapter 10 as Flashcard Deck

Related Quiz Content
  • feldman2009
    Answered in Biology Chapter 10

    Cells do not catabolize carbon dioxide because

    A) its double bonds are too stable to be broken.

    B) CO2has fewer bonding electrons than other organic compounds.

    C) CO2is already completely reduced.

    D) CO2isalready completely oxidized.

    E) the molecule has too few atoms.



    D) CO2isalready completely oxidized.



  • feldman2009
    Answered in Biology Chapter 10

    Which of the following is a true distinction between fermentation and cellular respiration?

    A) Only respiration oxidizes glucose.

    B) NADH is oxidized by the electron transport chain in respiration only.

    C) Fermentation, but not respiration, is an example of a catabolic pathway.

    D) Substrate-level phosphorylation is unique to fermentation.

    E) NAD+functions as an oxidizing agent only in respiration.



    B) NADH is oxidized by the electron transport chain in respiration only.



  • feldman2009
    Answered in Biology Chapter 10

    MostCO2from catabolism is released during

    A) glycolysis.

    B) the citric acid cycle.

    C) lactate fermentation.

    D) electron transport.

    E) oxidative phosphorylation.



    B) the citric acid cycle.



  • feldman2009
    Answered in Biology Chapter 10
    NADH is the name of an enzyme? True/False
    TRUE

  • feldman2009
    Answered in Biology Chapter 10
    Riboflavin, a B vitamin is needed for both TCA cycle and for ETC. TRUE/FALSE
    TRUE
  • feldman2009
    Answered in Biology Chapter 10
    TCA cycle oc
    TR