Which of the following bacteria divide by "snapping division" in which daughter cells remain attached in characteristic V-shapes?
A) staphylococci
B) enterococci
C) Corynebacterium
D) Listeria
E) Mycobacterium
C
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Before insulin from recombinant DNA became available, diabetics were treated with insulin derived from cadavers
a. True b. False Indicate whether the statement is true or false
One drawback associated with the fluorochrome stain method for detecting Mycobacterium is that:
a. it is less sensitive than the conventional carbolfuchsin stains. b. it requires the smear to be initially ex-amined at lower magnifications. c. many rapid-growers may not appear fluo-rescent with these reagents. d. it increases the amount of time needed for examining smears.
Ingo Potrykus and Peter Beyer’s production of a new
variety of rice is not unlike the artificial selection practices of previous agrarian societies that produced new a. plants. b. breeds of cattle. c. breeds of cats. d. breeds of birds. e. all of these.
An individual evolves during its lifetime
Indicate whether the statement is true or false