What best describes all of the alleles for all the loci present in a population?
a. gene pool
b. allele collection
c. population variation
d. evolutionary potential
e. population compilation
a
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At rest, a nerve cell has a high concentration of ____ inside and a high concentration of ____ outside
a. acetylcholine; chlorine b. sodium; potassium c. potassium; sodium d. calcium; phosphorus e. phosphorus; calcium
Antidiuretic hormone and oxytocin are products of
a. endocrine glands. b. neurosecretory cells. c. blood capillaries. d. the anterior pituitary. e. kidney and uterine wall cells, respectively.
What is the role of centromeres and telomeres?
What will be an ideal response?
A fraction of the original green frog population survives to reproduce and generate a new population. If the survivors of the original population survived by chance, then this event is an example of
A. natural selection. B. industrial melanism. C. gene flow. D. genetic drift. E. founder effect.