Which insect functions in the host-to-host transmission of typhus?
A) rat flea
B) body louse
C) dog tick
D) deer tick
Answer: B
Biology & Microbiology
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Which of the following is found in every nucleotide?
a. ribose b. a single phosphate group c. a single carbon ring d. a double nitrogen ring e. nitrogen
Biology & Microbiology
Based on their response to a particular hormone from
the anterior pituitary, Sertoli cells of the male are most like __________ of the female. a. uterine cells b. oviducts c. ovarian follicles d. cervix cells e. the corpus luteum
Biology & Microbiology
Spina bifida is one of the most common and most complex birth defects involving the ____ system
a. nervous b. circulatory c. respiratory d. digestive e. endocrine
Biology & Microbiology
The most common nematode infection worldwide is (ascariasis/filariasis/pinworms).
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology