There are no trees in the tundra because:a
of the short growing season.
b. of the limited supply of nutrients in the soil.
c. of limited root penetration due to permafrost.
d. of limited precipitation.
e. of low temperatures.
c
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Which of the following PCR procedures includes all of the others?
A. DNA is reannealed at 50oC B. DNA is denatured at 95oC. C. Primers are extended at 72oC. D. DNA is amplified for one cycle.
Male secondary sex characteristics include all of the following EXCEPT
A. facial hair. B. peacock feathers. C. testes. D. deepening voice. E. increased muscle size.
Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
What will be an ideal response?
Braking your car after you observe a child's ball rolling into the street from between parked vehicles
a. is instinctive. b. requires a conscious decision. c. is a reflex. d. both a and b.