What is the concept illustrated by the experiment in the accompanying figure?
a. Protein is not the encoding material.
b. Protein cannot enter the host cell.
c. Protein renatures due to radiation.
d. Protein is composed of subunits with phosphate.
e. Protein is composed of subunits with sulfur.
ANSWER: a
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If a cell has a normal osmotic pressure of 4500 mmHg and is placed into a solution with an osmotic pressure of 3500 mmHg, what will happen to the cell?
A. The cell will lose water and its osmotic pressure will decrease. B. The cell will gain water and its osmotic pressure will decrease. C. The cell will gain water and its osmotic pressure will increase. D. The cell will lose water and its osmotic pressure will increase.
What would be an easy way to determine if a skull is a mammal's skull?
A. Look for air sacs in the skull. B. Examine the teeth. C. Look for the remains of the tympanum. D. Measure the brain case volume.
For a particular gene, the frequency of the dominant allele H is 0.65. The total population size is
10,000 individuals. Also, the homozygous recessive condition results in living but sterile offspring. Fill in the table of values for the generations indicated:Generation p q p2 2pq q2 1 2 Does this population exhibit Hardy-Weinberg equilibrium? Why or why not? If not, what assumptions does the Hardy-Weinberg principle make that appear to be inapplicable in this situation? What will be an ideal response?
By evaluating and selecting mates with superior qualities, an animal can increase its
A. reproductive success. B. length of life. C. competitive strategies. D. foraging efficiency. E. learning.