Rickettsia prowazekii is transmitted to humans when a louse bite becomes contaminated with louse feces
Indicate whether the statement is true or false.
Answer: TRUE
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"Clonal selection" and "clonal expansion"
A. implies that each individual lymphocyte produces a single antibody. B. describes how a single lymphocyte proliferates in a population of effector cells. C. depends on an antibody recognizing a specific epitope. D. explain how an antigen stimulates the production of matching antibodies. E. All of the above
Mitosis is involved in
a. asexual reproduction and growth. b. asexual reproduction and genetic diversity. c. sexual reproduction and growth. d. sexual reproduction and genetic diversity.
Beginning with the return of blood from the body to the heart, trace the flow of blood through the human circulatory system until it returns to the body. Include all valves, chambers, and vessels
What will be an ideal response?
The incorporation of mineral nutrients into an organic form is called ________
Fill in the blank(s) with correct word