What maintains the resting membrane potential?
a. Na+-K+ pumps
b. leaky sodium channels
c. gated sodium channels
d. leaky potassium channels
e. gated potassium channels
ANSWER: a
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You have recently identified a novel protein and obtained its sequence. How could you use this sequence to predict the function of the protein?
A. by looking for conserved domains B. by using the sequence to make antibodies against the protein C. by determining the DNA sequence that could encode the protein D. by determining the secondary structure of the protein
Which of the following is NOT typically carried by the blood?
A. heat B. hormones C. proteins D. starch
In alternation of generations, the diploid stage of a plant that follows fertilization is the _____.
Fill in the blank(s) with the appropriate word(s).