After much study, ecologists have come to the conclusion that competitive exclusion
A. occurs rather frequently in nature.
B. occurs more frequently in tropical habitats than temperate ones.
C. occurs very rarely in nature.
D. occurs more frequently on islands than on the mainland.
Answer: C
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The function of the vestibular system of humans is:
A. to detect gravity B. in hearing C. to sense angular rotation of the head D. to sense the position of the appendages
Which of the following is true of the Sanger sequencing method?
A. It requires an RNA template to copy. B. It incorporates dNTPs using an RNA polymerase. C. It requires a primer for the polymerase; the primer is radiolabelled so the sequences generated can be visualized. D. It requires chain terminating ddNTPs which lack a 2'OH and are thus unable to form a bond with the next nucleotide. E. The sequencing reaction products are separated by affinity chromatography.
Antiviral medications frequently block unique (proteins/enzymes/molecules) to prevent production of a new virus
What will be an ideal response?
Which of the following statements about puerperal sepsis is FALSE?
A) It is transmitted from mother to fetus. B) It is caused by health care personnel. C) It begins as a focal infection. D) It is a complication of abortion or childbirth. E) Its frequency of occurrence has decreased because of antibiotics and aseptic techniques.