Which is true regarding the action of a neurolemmocyte?
A. Each neurolemmocyte can form a myelin sheath around many axons simultaneously.
B. Neurolemmocytes function only within the CNS.
C. A neurolemmocyte attacks pathogens.
D. A neurolemmocyte is responsible for forming part of the blood-brain barrier.
E. Each neurolemmocyte can wrap only a 1 mm portion of a single axon.
Answer: E
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Cardiac muscle is only found in the heart.
Answer the following statement true (T) or false (F)
Cellular respiration results in ________ in entropy as glucose is broken down to form carbon dioxide.
an increase a decrease no change
Which of these molecules is correctly matched with its method of movement through the cell membrane?
A. lipid-soluble molecules — pass through membrane channels B. small, water-soluble molecules (ions) — dissolve in double phospholipid layer C. large, water-soluble molecules — transported by carrier-mediated processes D. glucose and amino acid molecules — pass through membrane channels E. All of these are correctly paired.
The precursor to fibrin is ________; the precursor to thrombin is ________.
A. intrinsic factor; preprothrombin. B. serotonin; thrombinogen. C. fibronectin; fibrin. D. activation factor; fibrinogen. E. fibrinogen; prothrombin.