Following genetic recombination, ____
a. the bacterial cell is unable to divide
b. the bacterial cell is no longer able to replicate its DNA
c. the bacterial cell is a partial haploid
d. any remnants of DNA that did not contribute to the genetic recombination form plasmids
e. all progeny of the recombinant cell contain the new gene combination
ANSWER: a
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A pseudomonad that loses its R plasmid in the soil is LEAST likely to
A) cause an infection in a human. B) colonize a surface. C) infect a shrub. D) survive a habitat dominated by antibiotic-producing Streptomyces spp.
Electroporation ____
a. exposes cells briefly to rapid pulses of electrical current to induce transformation b. exposes cells to calcium ions to induce transformation c. exposes cells to calcium ions to induce transduction d. inserts the foreign DNA into chloroplast DNA e. inserts the foreign DNA into mitochondrial DNA
When you collect a sand dollar on the beach, you are looking at the shell of an echinoderm consisting
of ossicles formed from calcium carbonate crystals.
Indicate whether the statement is true or false.The maintenance of internal conditions within narrow ranges is known as homeostasis
Indicate whether the statement is true or false