Which of the following molecular components would be present in a DNA sequencing reaction by the chain termination method, but not in a PCR reaction to amplify a particular gene?
a. dideoxynucleotides
b. a DNA polymerase
c. template DNA
d. deoxynucleotides
e. at least one DNA primer
Ans: a
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Which of the following statements accurately reflects the data in Figure 52-3? Say huh?
a. Successful foraging is independent of prey density.
b. Hunting groups of two to three individuals are more effective at low prey densities.
c. Larger hunting groups are more effective at low prey densities.
d. Hunting groups of two to three individuals are more effective at all prey densities.
e. Successful foraging is independent of hunting group size.
Imagine that there are twenty-five different species of protists living in a tide pool. Some of these species reproduce both sexually and asexually, and some of them can reproduce only asexually
The pool gradually becomes infested with disease-causing viruses and bacteria. Which species are more likely to thrive in the changing environment? A) the sexually reproducing species B) the asexually reproducing species C) Sexually and asexually reproducing species are equally likely to thrive.
If the soil around a plant is treated with a fungicide, the plant may experience a decline in DNA synthesis.
Answer the following statement true (T) or false (F)
In estimating the effect of a difference in earnings for ivy league graduates, non-ivy league college graduates, and non-college graduates the following regression is run: Earningsi = ?0 + ?1IvyLeaguei + ?2NonIvyCollegeGraduatei + Ui. What does the coefficient ?1 represent?
A. The average earnings of an Ivy league graduate. B. The average earnings of an ivy league graduate conditional on graduating from any college. C. The additional increase (decrease) in earnings from going from no college degree to an Ivy league degree. D. The additional increase (decrease) in earnings from going from graduating college to graduating from an Ivy league school.