MacConkey agar is

A. a selective agar.
B. a differential agar.
C. a selective and differential agar.
D. used to distinguish between bacteria by the type of hemolysis observed.


C

Biology & Microbiology

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A ____ mechanism controls body temperature in the human body by reversing the body's attempt to generate heat

when body temperature rises.

a. positive feedback b. inhibition c. negative feedback d. cyclical feedback e. none of these

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Salt marshes occur mostly below the intertidal zone and are exposed only during very low tides

Indicate whether the statement is true or false

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In a lipid bilayer, __________ fatty acid tails face each other within the bilayer and form a region that excludes water

a. hypertonic b. hyperosmotic c. hypotonic d. hydrophilic e. hydrophobic

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White blood cells known as (basophils/lymphocytes/neutrophils) are the main cells involved in the third line of defense.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology