Chapter 7

Last update by Babara on 09/08/2014
989065 People have viewed this Quiz
  • Share

According to thefluid mosaic model of membrane structure, proteins of the membrane aremostly

A) spread in a continuous layer over the inner and outer surfaces of the membrane.

B) confined to the hydrophobic core of the membrane.

C) embedded in a lipid bilayer.

D) randomly oriented in the membrane, with no fixed inside-outside polarity.

E) free to depart from the fluid membrane and dissolve in the surrounding solution.

Answer:

C) embedded in a lipid bilayer.



View Chapter 7 as Flashcard Deck

Related Quiz Content
  • feldman2009
    Answered in Chapter 7

    Which of the following factors would tend to increase membrane fluidity?

    A) a greater proportion of unsaturated phospholipids

    B) a greater proportion of saturated phospholipids

    C) a lower temperature

    D) a relatively high protein content in the membrane

    E) a greater proportion of relatively large glycolipids compared with lipids having smallermolecular masses

    A) a greater proportion of unsaturated phospholipids



  • feldman2009
    Answered in Chapter 7

    Which of the following processes includes all others?

    A) osmosis

    B) diffusion of a solute across a membrane

    C) facilitated diffusion

    D) passive transport

    E) transport of an ion down its electrochemical gradient

    D) passive transport