Which hormone is not produced by the hypothalamus?
A. GnRH
B. GHRH
C. TSH
D. CRH
Answer: C
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Antibodies are produced by
A) macrophages. B) microphages. C) plasma cells. D) mast cells. E) fibroblasts.
Phenylketonuria (PKU) is a genetic disease caused by mutation of the PAH gene, which normally produces the enzyme phenylalanine hydroxase. This enzyme is essential for the conversion of the amino acid phenylalanine into tyrosine. Without the enzyme, phenylalanine builds up in the blood and tissues of various body regions. It can produce severe skin discolorations and foul odor, but also intellectual disabilities and behavioral problems. Some people may experience only one type of PKU symptoms and not the others. PKU is an example of
A. incomplete penetrance. B. pleiotropy. C. genetic heterogeneity. D. complete penetrance.
Answer the following statements true (T) or false (F)
1. Hair growth begins from a small, cap-shaped cluster of cells called the hair follicle. 2. The root of the hair is the visible part of the hair above skin. 3. The contraction of the arrector pili causes “goose pimples.” 4. Basal cell carcinoma is the most common type of skin cancer 5. Malignant melanoma has been linked to exposure to the ultraviolet radiation of the sun.
The ____________________ is the basic structural and functional unit of the kidney.?
Fill in the blank(s) with correct word