BIology: Chapter 7 Pretest

This Is Chapter 7 Pretest.   This Is To Show You How Much You Know Already.
Created Sep 25, 2008
by coldhands
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Side ASide B
Which of the following statements about a typical plasma membrane is correct?
The sides of the plasma membrane that face the cytoplasm and the outside of the cell have different...
Which of the following best describes the structure of a biological membrane?
two layers of phospholipids with proteins either crossing the layers or on the surface of the...
The permeability of a biological membrane to a specific solute may depend on which of the following?
the size and polarity of the solute; the types of transport proteins in the membrane
Which of the following is least likely to be important in holding the components of a biological...
covalent interactions between the phospholipid and protein components of the membrane
Which of the following statements about osmosis is incorrect?
Osmosis is the diffusion of water from a region of higher water concentration to a region of...
In facilitated diffusion, what is the role of the transport protein?
Transport proteins provide a hydrophilic route for the solute to cross the membrane.
If the concentration of calcium in the cytoplasm is 2.0 mM and the concentration of calcium...
active transport
The movement of glucose into a cell against a concentration gradient is most likely to be accomplished...
cotransport of the glucose with a proton or sodium ion that was pumped across the membrane...
Active and passive transport of solutes across a membrane typically differ in which of the...
Active transport is usually against the concentration gradient of the solute, whereas passive...
Which of the following does not correctly describe some aspect of either exocytosis or endocytosis?
Both endocytosis and exocytosis involve active transport.

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