The transforming principle that Griffith described from his work with Streptococcus pneumoniae

bacteria turned out to be ____.



a. a polysaccharide capsule
b. a phospholipid
c. protein
d. RNA
e. DNA


E

Biology & Microbiology

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Which of the following is an inorganic charged

particle found in soil?

a. humus b. clay c. sand d. silt e. all of these are charged inorganic soil particles

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During which stage do chromosomes line up in pairs on the equatorial plane?

A. metaphase I B. telophase I C. anaphase II D. metaphase II E. telophase II

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Once labor begins in childbirth, contractions increase in intensity and frequency, causing more contractions to occur until delivery. The increasing labor contractions of childbirth are an example of which type of regulation?

A) positive feedback B) negative feedback C) feedback inhibition D) enzymatic catalysis

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What non-medical uses of genetic testing have proliferated?

a. Sealing the paternity of parents to there children. b. Freeing wrongfully convicted individuals. c. Securing convictions in decades old “cold” cases. d. All of the above.

Biology & Microbiology