E. coli is an intestinal bacterium that reproduces every 20 minutes. E. coli is representative of a(n) ____ species
a. r-selected
b. k-selected
c. type I
d. logarithmic type-curve
e. type IV
ANSWER: a
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Indicate whether the statement is true or false
Approximately how many single nucleotide polymorphisms have been identified in humans?
a. 10s b. 100s c. 1000s d. 100,000s e. 1,000,000s
As stated in the lab manual most microbiology laboratories are designed to handle BSL-1 and BSL-2 rated organisms. If you were given an unknown culture in the lab, which biosafety level would you observe?
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A. a short sequence of DNA to which a transcription regulator binds B. a set of genes that is constitutively active C. a set of genes transcribed as a single mRNA from a single promoter D. a sequence of DNA that produces a variety of mRNAs E. a set of genes controlled by the binding of two or more transcription regulators