Which of the following mechanisms is used by retrotransposons?
A. cut-and-paste transposition
B. replicative transposition
C. bacterial transduction
D. transposition via an mRNA intermediate
E. lysogeny
D
Biology & Microbiology
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Phosphorylation of ________ regulates which direction a flagellum rotates, thus controlling whether an organism runs or tumbles
A) CheAW B) CheB C) CheY D) CheZ
Biology & Microbiology
Polygenes are involved in determining continuously varying or multiple-factor traits
Indicate whether the statement is true or false
Biology & Microbiology
Which of the following terms includes all of the others in the list?
a. fern b. seed plant c. gymnosperm d. vascular plant e. angiosperm
Biology & Microbiology
What structure best represents a polymer?
A. an amino acid B. a monosaccharide C. a nucleotide D. a protein E. a fatty acid
Biology & Microbiology