Which of the following is typically a main function of stems?
a. movement
b. absorption of minerals
c. storage of water and food
d. energy capture
Answer: c. storage of water and food
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When two excitatory postsynaptic potentials (EPSPs) occur at a single synapse so rapidly in succession that the postsynaptic neuron's membrane potential has not returned to the resting potential before the second EPSP arrives,
the EPSPs add together producing _____. A) temporal summation B) spatial summation C) tetanus D) the refractory state E) an action potential with an abnormally high peak of depolarization
Yeasts are ________ fungi, and moulds are __________ fungi.
a. macroscopic, microscopic b. unicellular, multicellular c. motile, nonmotile d. water, terrestrial
What molecules do group I introns require for autosplicing?
What will be an ideal response?
During transcription, a thymine (T) on the coding strand of DNA would be transcribed as a(n) _____ in the synthesized mRNA.
A) cytosine (C) B) uracil (U) C) guanine (G) D) thymine (T) E) adenine (A)