Under which condition would you expect the SRY gene to be switched on?

a. if no X chromosome is present
b. if an X chromosome is present
c. if a Y chromosome is present
d. if two X chromosomes are present


Ans: c. if a Y chromosome is present

Biology & Microbiology

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All of the following are characteristics of spread plates EXCEPT

A. spread plates that readily grow anaerobic bacteria. B. spread plates that are typically inoculated with a bent glass rod. C. specimens that are typically diluted prior to inoculation of a spread plate. D. colonies that grow on the surface of the agar.

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The forces of the mantle acting on the crust give way to:

a. ocean basins. b. continental drift. c. magma. d. continental rise.

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Which of the following is NOT related to

Cushing’s syndrome?

a. blood pressure and blood glucose levels are abnormally high b. cortisol levels are low c. bone density decreases d. the usual cause is prednisone and cortisone shots e. all of these are related to Cushing’s syndrome

Biology & Microbiology

Spikes are glycoproteins that can be found projecting from the viral capsid.

Answer the following statement true (T) or false (F)

Biology & Microbiology