Which of the following does not describe actions of interferon (IFN)?
A) IFN binds to normal, uninfected cells stimulating the activation of genes that produce anti-viral proteins.
B) IFN can penetrate the viral capsid and destroy the virus.
C) Virally infected cells can release interferon which attracts NK cells to attack and kill the IFN secreting cell.
D) IFN will attract macrophages to the secreting cell to be removed by phagocytosis.
B
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The function of the nucleolus is to make
A. chromosomes. B. mitochondria. C. endoplasmic reticulum. D. ribosomes.
The nose contains a single septal cartilage. How many alar cartilages are in the nose?
A. One B. Two C. Three D. Four
This bone articulates with the acetabulum
A) humerus B) fibula C) tibia D) femur
Excessive growth hormone after puberty could result in
A) osteoporosis. B) osteopenia. C) acromegaly. D) gigantism. E) dwarfism.