The nodes of Ranvier are Schwann cells or oligodendrocytes that wrap themselves "jelly roll fashion" around the axon
Indicate whether the statement is true or false
F
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In terms of an active transport system, which of the following move molecules against the concentration gradient?
a. Phagocytosis. b. Pinocytosis. c. Permease System. d. Filtration.
Abnormal rates of mitosis can lead to poor wound healing and delayed growth.
Answer the following statement true (T) or false (F)
The blood testis barrier is to newly formed sperm cells as the blood thymus barrier is to ________
A) plasma cells B) white pulp C) T lymphocyte precursors D) mast cells
The presence of which of the following reduces the risk for myocardial infarctions?
A. Arterial anastomoses in the coronary circulation B. Desmosomes of the intercalated discs C. Double circulation D. Gap junctions in the myocardium E. Circumflex arteries