Which of the following is a purpose for the presence of hydrochloric acid in the stomach?

a. It folds proteins.
b. It activates amylase.
c. It emulsifies fats.
d. It kills bacteria.


Answer: d. It kills bacteria.

Biology & Microbiology

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Treatment for Neisseria meningitidis consists of ________.

A. tetracycline B. vancomycin C. oral penicillin G D. rifampin E. intravenous penicillin G

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The membrane potential in which there is no net movement of the ion across the membrane is called the _____

A) graded potential B) threshold potential C) equilibrium potential D) action potential

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A type of pneumonia in which the alveoli and bronchioles become filled with pus is (emphysema/empyema/pleurisy)

What will be an ideal response?

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The three reasons that phosphoanhydride bond hydrolysis is highly exergonic are: ________ between the bonded phosphate groups and increased ________ and ________ of both products of hydrolysis

Fill in the blank with correct word.

Biology & Microbiology