The chief difference between plasma and interstitial fluid involves the concentration of
A) water.
B) electrolytes.
C) nitrogen wastes.
D) proteins.
E) glucose.
D
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Explain the effect of the parasympathetic nervous system on cardiac muscle cells
What will be an ideal response?
Lipid rafts, found in the cell outer membrane surface, are concentrating platforms for certain receptor molecules or for protein molecules needed for cell signaling
Indicate whether the statement is true or false
During DNA replication,
A) the DNA double helix comes apart where hydrogen bonds join base pairs, and new nucleotides are brought in, forming two double helices. B) two single strands of DNA come together, restoring complementary base pairing. C) amino acids are joined. D) tRNAs bring specific amino acids to an mRNA molecule.
Which glial cell is found wrapped around nerve fibers in the PNS?
A. Satellite cells B. Myelin sheath gaps C. Ependymal cells D. Schwann cells E. Oligodendrocytes