The source of norepinephrine is the
a. pituitary gland.
b. adrenal cortex.
c. adrenal medulla.
d. thymus gland.
e. thyroid gland.
C
Biology & Microbiology
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Mercury can serve as a transcriptional activator in the regulation of certain genes
Indicate whether the statement is true or false.
Biology & Microbiology
A small evolutionary shift in the size of the bill of a finch species is an example of ____
a. macroevolution b. sexual selection c. mutation d. microevolution e. orthogenesis
Biology & Microbiology
Genetic variation is useful to evolution because environments change.
Answer the following statement true (T) or false (F)
Biology & Microbiology
If a cell lacked ribosomes, it would not be able to
A. produce ATP. B. form a spindle apparatus. C. break down fats. D. respire oxidatively. E. synthesize proteins.
Biology & Microbiology