Genetic basis of bacterial antimicrobial drugs resistance includes mutation, acquisition of plasmids or transposons

a. true
b. false


Answer: a. true

Biology & Microbiology

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Swarming in polychaetes for reproduction appears to be timed by:

a. biorhythms of the animals. b. lunar cycle and tides. c. solar cycle and tides. d. temperature. e. current direction.

Biology & Microbiology

Determining the effects of natural selection on human behavior is much more robust if ________

A) one disentangles the effects of culture from evolutionary history in detailed, controlled studies of a single culture B) groups of humans are separated into control and treatment groups for extensive experimentation C) data is collected cross-culturally to eliminate the effects of culture on behavior D) We cannot study human behavior in an evolutionary context.

Biology & Microbiology

The function of cotyledons in many plants is to:

a. enclose and protect the seed. b. act as a short embryonic root. c. produce pollen. d. store food reserves. e. aid in seed dispersal.

Biology & Microbiology

Which of the following is the best method to sterilize heat-labile solutions?

A) dry heat B) autoclave C) membrane filtration D) pasteurization E) freezing

Biology & Microbiology