In adaptive immune responses, which cell type is capable of acting as an antigen-presenting cell?
a. T cell
b. monocyte
c. eosinophil
d. B cell
e. basophil
ANSWER: d
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Hfr means high frequency of ________, and these cells are capable of transferring genes from their ________ to other cells
A) transformation / chromosome B) transduction / plasmids C) recombination / chromosome D) transduction / chromosome
Cerebrospinal fluid is found in the ________.
A. arachnoid mater B. pia mater C. subarachnoid space D. dura mater E. All of the choices are correct.
A population is not changing in size during the ____ phase.
A. death B. exponential C. stable equilibrium D. None of these answers is correct.
The male-specific region of the Y chromosome
A) lies between the two pseudoautosomal regions. B) is completely identical to its counterparts on the X chromosome. C) has an abundance of protein-encoding genes. D) has regions called amplicons that include few palindromic sequences.