Sensory neurons release glutamate and neuropeptides such as __________ to enhance the effect of
glutamate.
a. GABA
b. substance P
c. serotonin
d. norepinephrine
e. adrenalin
B
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Which of the following would be considered to be a synapomorphy of ferns, conifers, and flowering plants?
Given the following list of characteristics:
A. chlorophylls a & b
B. vascular tissue
C. seeds
D. flowers
Prosthetic groups in the class of proteins known as glycoproteins are composed of:
A) carbohydrates. B) flavin nucleotides. C) lipids. D) metals . E) phosphates.
The molecule directly responsible for breaking down cAMP to inactive AMP is
A. phosphodiesterase. B. protein kinase A. C. protein phosphatase. D. adenylyl cyclase. E. GTPase.
Which environmental factor has a direct effect on an organism's rate of water loss by evaporation?
A) insect biodiversity B) wind C) plant pollination rates D) algae abundance