Infectious mononucleosis is caused by ________

A) pernicious anemia
B) Epstein-Barr virus
C) lead poisoning
D) blood doping


B

Biology & Microbiology

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What is the difference in the bonding between alpha-helix and beta sheets?

A. Hydrogen bonding between the amides only occurs in one of these two types of secondary structures. B. Hydrogen bonding occurs between the amides of adjacent chains in the sheets instead of between the amides in different parts of the helices. C. Sulfur bridges allow the spring like turns in alpha helices and van der Waals dispersion allows the folds in beta sheets. D. Hydrogen bonding always occurs in the alpha helices but only occurs in parallel beta sheets.

Biology & Microbiology

Which receptor is involved in detecting changes in body position?

a. Pacinian corpuscle b. free nerve endings c. muscle spindle d. Merkel’s discs e. Meissner’s corpuscle

Biology & Microbiology

Increases output of pancreatic juice

What will be an ideal response?

Biology & Microbiology

Hashimoto's thyroiditis can best be differentiated from Graves disease on the basis of which of the following?

A.) Enlargement of the thyroid B.) Presence of lymphocytes in the thyroid C.) Decrease in thyroid hormone levels D.) Presence of thyroid peroxidase antibodies

Biology & Microbiology