An endocrine axis describes:
A. a hormonal signaling pathway between
endocrine glands and tissues.
B. the direction of hormone transport within
the body.
C. the molecule that forms the backbone of a
hormone.
D. the signal transduction cascade that
occurs when a hormone binds to a receptor.
E. the pattern of genes that are expressed in
response to a hormone.
A
You might also like to view...
Optimal foraging as a form of efficient behavior would be favored by
A. associative learning. B. operant conditioning. C. energy expended. D. natural selection. E. None of these choices are correct.
The uneven distribution of an impermeable solute on either side of a membrane will result in
A. an increase in oxygen deprivation. B. proton pumping. C. root pressure. D. osmosis. E. stomatal closing.
Which is NOT part of the nitrogen cycle?
a. denitrification b. deammonification c. nitrogen fixation d. ammonification e. uptake by autotrophs
What was the likely reason humans lost their hair (in comparison to our closet ape relatives)?
A. Hair can get matted and dirty which poses increased risk of exposure to disease, and thus that attribute was selected against. B. Male parental care increases in conjunction with a loss in body hair due to a dip in testosterone. Females thus likely selected for men with less body hair resulting in diminished body hair for humans over thousands of years. C. As humans became bipedal, they lost their body hair in order to better thermoregulate