Which type of invasin allows a pathogen to break down a blood clot that the body has generated to trap their spread?
A) neuraminidase
B) kinase
C) coagulase
D) flagella
E) collagenase
Answer: B
Biology & Microbiology
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Protozoans are an important part of the food chain ingesting large numbers of
A. fish. B. bacteria and algae. C. shellfish. D. other protozoans.
Biology & Microbiology
Which of the following is exclusively associated with prokaryotes?
a. cell wall b. ribosome c. nucleoid region d. cell membrane
Biology & Microbiology
Exchange across a membrane requires
a. moisture only. b. transport proteins only. c. pressure gradients only. d. moisture and pressure gradients only. e. moisture, pressure gradients, and transport proteins.
Biology & Microbiology
Compare and contrast DNA and RNA. Include the similarities and differences in their chemical composition and
structure, as well as their general roles within the cell. What will be an ideal response?
Biology & Microbiology