Which of these is part of the defense against parasites, such as tapeworms and hookworms, that have invaded the body?
A) neutrophils
B) lymphocytes
C) eosinophils
D) monocytes
C
You might also like to view...
In seedless plants, ____ in each megasporangium produces ____ megaspores that are released to the environment
when the mature megasporangium opens.
a. mitosis; two b. meiosis; two c. meiosis; four d. meiosis; eight e. mitosis; four
A base-pair substitution may alter a protein by changing an amino acid or by introducing a(n)
_____________________. Fill in the blank(s) with the appropriate word(s).
In the lactose operon, the repressor binds to:
a. the lacI coding region. b. the promoter. c. the operator. d. the lacZ coding sequence. e. the lacY coding sequence.
Suppose that a man and woman have a son with a rare genetic disorder known to be X-linked. There is no occurrence of the disorder on the woman's side of the family, but the man's brother has it, as does her father. What is the probability that the son's defective allele came from the man?
a. 0% b. 25% c. 50% d. 100%