The science and study of the causes of disease and their mode of operation is referred to as ___

a. etiology
b. disease progression
c. bioinformatics
d. observation


Ans: a. etiology

Biology & Microbiology

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Guidelines suggest that only ____________________ (number) embryo(s) be transferred to the woman’s uterus

following IVF, in order to reduce the incidence of multiple births. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Molecular data confirm that cnidarians branched off from the rest of animals before ________ evolved.

A. bilateral symmetry B. arthropods C. Porifera D. echinoderms E. mollusks

Biology & Microbiology

A surge in the level of LH indicates that ________ is about to occur

A) ovulation B) puberty C) the testosterone peak D) the progesterone peak E) menstruation

Biology & Microbiology

Why does sexual reproduction produce more genetic variability in a population?

a)Offspring are genetically identical to one parent. b)During sex, adults can exchange genetic material thus increasing their variability. c)Organisms arising from sexual reproduction can change their genetic material in response to environmental changes. d)Sexually-reproducing organisms mutate more rapidly than asexually reproducing organisms. e)Offspring are a genetic mix of both parents.

Biology & Microbiology