Which is the dominant greenhouse gas leading to global warming?
A) CH4
B) H2O
C) NO2
D) CO2
D
Biology & Microbiology
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Water is a strongly polar molecule. How does it cross the plasma membrane?
What will be an ideal response?
Biology & Microbiology
To which class of neurotransmitters does substance P belong?
a. acetylcholine b. monoamines c. amino acids d. neuropeptides e. gaseous neurotransmitters
Biology & Microbiology
The addition of a phosphate group is known as ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Each time there was a drought, what happened to the average finch beak size?
a) The average beak size stayed the same. b) There is no discernible relationship between environment and beak size. c) The average beak size increased a bit. d) The average beak size decreased significantly. e) The amount of water available to finches increased along with beak size.
Biology & Microbiology