BIO 2870
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LECTURE EXAM (I)
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FALL 2007
Multiple Choice & T/F
Identify the letter of the choice that best
completes the statement or answers the question.
1.
In the cell membrane, the hydrophobic part of the phospholipid molecule:
a. faces the extracellular environment c. faces the intracellular environment
b. is in the center of the phospholipid
bilayer
d. is in contact with the cytosol and
interstitial fluid
2. The anatomical section that separates the body into cranial and caudal halves is a:
3.
The tertiary structure of proteins is held together by all of the following EXCEPT:
4.
Which of the following is NOT true of simple squamous epithelium:
5. Removing a glucose molecule from glycogen is an example of:
a. positive entropy
c. La Chatelier’s principle
b. anabolism
d. hydrolysis
6. ABO blood group antigens are sugars attached to P-face membrane lipids:
7. Ionic bonds are electrostatic interactions resulting from the:
8. All of the following are true regarding the epithelium lining the inside of the stomach
EXCEPT:
9. Glucose monomers enter the cells lining your small intestine via:
a. simple diffusion
c. primary active transport
b. phagocytosis
d. secondary active transport
10.
All of the following are true regarding the bicarbonate buffer system EXCEPT:
CO
2
+ H
2
O
→
H
2
CO
3
→
H
+
+ HCO
3
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