The transfer of vancomycin resistance from Enterococcus faecalis to Staphylococcus aureus is thought to have involved
A. conjugation.
B. transformation.
C. transduction.
D. transposons.
E. conjugation AND transposons.
E
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Some restriction endonucleases cut the DNA in such a way that short, single stranded regions are
created. We call these regions
a. hydrogen-bonding ends b. sticky ends c. tacky ends d. blunt ends e. jagged ends
Whole-cell movements involve the coordinated activity of
a. microtubules. b. microfilaments. c. blastomeres. d. microtubules and microfilaments. e. microtubules and microfilaments and blastomeres.
A somatic cell from a garden pea normally contains 14 chromosomes. How many sister chromatids would that cell contain during G1 of the cell cycle?
A. 14 B. 7 C. 28 D. 0
Brood parasites ensure their reproductive success by the following mechanisms EXCEPT ____.
A. producing eggs closely resembling that of the host B. producing a large number of eggs C. producing young that give off smells and sounds similar to those of the host D. making their host vulnerable to predation E. utilizing the host parental care mechanisms