The floating peat over open water makes this habitat a
A) swamp.
B) marsh.
C) bog.
D) fen.
C
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Once transduction of a signal is complete, the receptor and its bound signal molecule are removed
from the cell surface by ____.
a. hydrolysis b. diffusion c. endocytosis d. pinocytosis e. exocytosis
Which of the species were probably herbivorous? On which test results did you base this conclusion?
a. species 1 and 4 because of the presence of starch b. species 2 and 4 because of the presence of protein and amino acids c. species 2 and 3 because of the presence of starch and low amino acids andprotein d. species 1 and 3 because of the presence of protein and amino acids
Raising the K+ level in the extracellular fluid to 150 mmol/l would have what effect on the action potential?
a. The neuron would not depolarize. b. The neuron would hyperpolarize (become more negative than normal). c. The neuron would not repolarize after the depolarization. d. There would be no effect on the action potential.
Calnexin assists in folding glycoproteins that contain one _______ residue.
a. glucose b. mannose c. N-acetylglucosamine d. sialic acid