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
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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
Living organisms can spontaneously generate from nonliving matter
Indicate whether the statement is true or false
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
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.