The most commonly used unit for measuring cell size is a ____
a. decimeter (dm)
b. centimeter (cm)
c. millimeter (mm)
d. micrometer (?m)
e. nanometer (nm)
D
Biology & Microbiology
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Sandpipers are known to: a. be territorial of their beaches
b. feed on worms and fish. c. be very solitary birds. d. make long annual migrations.
Biology & Microbiology
Prostaglandins may act as local signaling molecules in the uterus, causing ________
Fill in the blank(s) with correct word
Biology & Microbiology
An example of a generally inhibitory neurotransmitter is
A) acetylcholine. B) glutamate. C) dopamine. D) GABA. E) serotonin.
Biology & Microbiology
The genome of a virus can be
a. DNA or RNA b. DNA and RNA c. DNA only d. RNA only
Biology & Microbiology