Present the general structural features of a plasmid and give an example
What will be an ideal response?
circular double-stranded DNA existing autonomously in the bacterial cytoplasm; F factor
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Competition occurs (select all that apply):
A. among members of the same species. B. between members of different species. C. only between individuals who share the same realized niche. D. only between individuals in populations that are close to their carrying capacity in the environment. E. none of these.
The adult form of the fluke, Fasciolopsis buski, is elongated in shape and ranges from 20 to 75 mm long and 8 to 20 mm wide with an oral sucker at the anterior and a ventral sucker approx-imately midway to the posterior. The reservoir host for the fluke is:
a. snails. b. birds. c. rodents. d. dogs.
Narrowing of the arterial lumen due to buildup of lipids is:
a. atrial fibrillation b. atherosclerosis c. a blood clot d. arrhythmia e. angioplasty
The twining of tendrils around a support is an example of thigmomorphogenesis. Indicate whether the statement is true or false