In a sarcomere, the central portion of thick filaments are linked laterally by proteins of the
a. A band.
b. Z line.
c. M line.
d. I band.
e. H band.
c. M line.
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This figure shows an example of regulation of hormone secretion by a negative feedback loop. The large box labeled 1 represents the initial stimulus. What hormones are represented by the small boxes labeled a, b, and c?
A. a = TSH, b = TRH, c = TH B. a = TSH, b = TH, c = TRH C. a = TRH, b = TSH, c = TIH D. a = TIH, b = TSH, c = TH E. a = TRH, b = TSH, c = TH
Gyri and sulci are known as convolutions.
Answer the following statement true (T) or false (F)
Vomiting, diarrhea and flushing are caused by
A) excess niacin. B) a deficiency of iron. C) excess vitamin C. D) a lack of calcium.
Myelin consists mainly of which of the following?
A. Cholesterol B. Carbohydrates C. Lipofuscin D. Phospholipids E. Proteins