The type of movement of molecules that is specific and passive, and which becomes saturated if all of the protein carriers are in use is
A. exocytosis.
B. facilitated diffusion.
C. active transport.
D. endocytosis.
E. osmosis.
B
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The process of making multiple copies of a gene by inserting it into a host genome and culturing the host is an example of _____
a. PCR b. STR analysis c. gene cloning d. whole-genome shotgun method
Copy number variants
A) are extremely rare, occurring in only about a dozen sites in the genome. B) are found only in even-numbered chromosomes. C) number in hundreds to thousands. D) are five or fewer bases long.
Climate can best be described as
A. how hot or cold a location is based on its altitude. B. the average weather patterns in a given area over long periods of time. C. how hot or cold a location is based on its distance from the equator. D. the temperature and rainfall of a specific area over the course of a year.
Which of the following features is NOT an advantage of an organism that has a viviparous life history?
A. The mother supplies the offspring with nourishment, even after birth. B. Development of the offspring occurs inside of the female. C. Offspring can live independently shortly after they are born. D. The eggs are retained within the body of the mother until the offspring are able to fend for themselves. E. The unborn offspring is supplied with a continuous flow of nutrients during development.