Potassium ions are at a high concentration inside of cells including neurons
a. true
b. false
Answer: a. true
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Titer is the amount of ________ in serum.
A. antigen B. WBC C. memory cells D. complement E. antibody
With an atomic mass of 16 and an atomic number of 8, it follows that oxygen
_____ has eight electrons. _____ has 16 neutrons. _____ can readily form bonds with 2 other atoms. _____ weighs 16 grams.
Place the layers of a mammalian gut in order from outside inward, toward the lumen
a. mucosa ? submucosa ? muscularis ? serosa b. muscularis ? mucosa ? submucosa ? serosa c. serosa ? muscularis ? submucosa ? mucosa d. serosa ? mucosa ? submucosa ? muscularis e. serosa ? submucosa ? mucosa ? muscularis
When a root is placed on its side, what happens to the amyloplasts in the root cap cells?
a. They move to the top. b. They settle on the bottom. c. They are digested by amylase. d. They move into the root apical meristem. e. They move into a root hair.