An operon includes which of the following components?

a. multiple genes
b. a promoter
c. all of the choices
d. one or more operators


c

Biology & Microbiology

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What plants may be planted to increase the amount

of nitrogen in the soil? a. clover b. alfalfa c. soybeans d. peanuts e. any of these

Biology & Microbiology

Living organisms can spontaneously generate from nonliving matter

Indicate whether the statement is true or false

Biology & Microbiology

A child falls and cuts her leg. The cut is deep enough that she is bleeding. Which of the following defense mechanisms will participate in eliminating microbes from the wound?

a. ciliary escalator b. inflammation c. normal microbiota d. lysozyme

Biology & Microbiology

Opportunistic fungi

A) always have two physiological and structural forms. B) are normal microbiota for many individuals. C) have special proteins for colonizing the body. D) are tracked by epidemiologists. E) have the same geographical distribution as pathogenic fungi.

Biology & Microbiology