Which of the following represents the first line of defense against unwanted pathogens?

a. phagocytes
b. intact skin
c. T cell-mediated immunity
d. antibody-mediated immunity


Answer: b. intact skin

Biology & Microbiology

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Within the endoplasmic reticulum, ________ recognizes misfolded or unassembled proteins and transports them back to the cytosol.

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

Biology & Microbiology

Obligate anaerobes may be cultured in the laboratory

A. in a reducing medium. B. in a standard incubator. C. in standard Petri plates. D. on blood agar plates. E. in standard complex media.

Biology & Microbiology

Potassium deficiency

What will be an ideal response?

Biology & Microbiology

In the process of noncyclic photophosphorylation, ________.

A. electrons from water flow through electron transport chains resulting in synthesis of ATP and NADPH B. water is split to form oxygen gas C. photosystems I and II are both required D. All of the choices are correct.

Biology & Microbiology