A population that is divided into several local populations among which individuals occasionally
disperse (emigrate and immigrate) is known as a:
a. metapopulation.
b. life table.
c. survivorship curve.
d. source population.
e. sink population.
A
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Describe at least two reasons why the time it takes your breath to produce a color change in BTB after running 1 minute might be different from the time recorded for another person?
What will be an ideal response?
RNA molecules are usually found as
a. a two-stranded double helix. b. a single strand with some folds and twists where the strand bonds with itself to make some double-helical regions. c. part of a pair with a single DNA strand. d. a single strand that has no double-helical regions. e. an extra strand joined to a DNA double helix.
Controls over eukaryotic gene expression guide _____
a. natural selection b. nutrient availability c. development d. all of these
Which of the following statements is true of non-homologous end joining (NHEJ)?
A) it is a double-strand repair pathway B) it is error-prone C) it is error-free D) it utilizes the sister chromatid as a template for repair E) both A and B