The fatty acid tails of unsaturated fats incorporate one or more __________.
A) single covalent bonds
B) double covalent bonds
Ans: B) double covalent bonds
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A student prepares lysate A from cells with high levels of cAMP and lysate B from cells with very low levels of cAMP. If these lysates were subjected to DNase, it could be predicted that cAMP receptor protein binding sites would be:
A. not present in either lysate. B. protected in lysate A. C. protected in lysate B. D. equally protected in both lysates. E. not occupied in either lysate.
Under Hardy-Weinberg equilibrium, which frequency of A yields the highest frequency of aa?
a. 0.8 b. 0.6 c. 0.5 d. 0.4 e. 0.2
What are the gamete types produced by an individual with genotype WWTtPp?
What will be an ideal response?
Which of the following describes primary succession?
a. succession on land that previously had no life
b. succession that moves a community away from equilibrium
c. succession in response to a natural disturbance
d. succession characterized by equilibrium