Which of the following insulates the electrical signal from dissipating?
a. Glial cells
b. Myelin sheath
c. Axons
d. Synapse
b. Myelin sheath
The myelin sheath, which is produced by glial cells, insulates the electrical signal, preventing it from dissipating as it travels down the axon.
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This animal is radially symmetric, has
nematocysts, and cnidocytes. This animal is ___.
a. a jellyfish b. an earthworm c. a sea anemone d. a sponge e. more than one of these
According to the figure, the predominant plant in an open site is roughly ________ cm3 in size
A) larger than 600 B) 200.1-600 C) 5.1-35 D) 0.5-5
Water held behind a dam has a large amount of ________ energy
Fill in the blank(s) with correct word
Which of the following is pyogenic (pus forming)?
A. Streptococcus pyogenes B. Lactococcus lactis C. Streptococcus mutans D. Streptococcus fecaelis