Which of the following contributes significantly to the survival of Coxiella burnetti for long periods in the environment?
A. Protective pili
B. Endospore-like structure
C. Polysaccharide capsule
D. Gram positive cell wall structure
Answer: B
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The greatest rate of extinction of all time is/was probably caused by ____
a. an ice age b. unknown reasons c. formation of Pangea d. human activity e. asteroid impact
The adaptive immune system is complex, but it can be summarized in four consecutive stages: i) lymphocyte encounter with an immunogen, ii) development of lymphocyte specificity against that immunogen, iii) 2nd encounter with the immunogen, and iv) development of memory cells.
Answer the following statement true (T) or false (F)
LDL's transport the cholesterol to
What will be an ideal response?
Programmed cell death is also known as ________
Fill in the blank(s) with correct word