The development of virulent, toxin-producing bacterial strains due to the presence of a temperate phage can occur in
A. generalized transduction.
B. specialized transduction.
C. bacterial conjugation.
D. transformation.
E. All of these choices are correct.
Answer: B
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Greenhouse gases act primarily to ____
a. warm Earth's surface b. cool the atmosphere c. block out ultraviolet radiation d. contribute to acid rain e. increase carbon monoxide concentrations
________ breaks frozen specimens along lines of greatest weakness, often down the middle of lipid bilayer membranes so that they may be observed by transmission electron microscopy.
Fill in the blank(s) with the appropriate word(s).
Bacterial plasmids often have genes that code for genetic exchange or antibiotic resistance
____________________ Indicate whether the statement is true or false.
Choose from the following terms to fill in the blanks in the correct order
A. ligand B. signaling cell C. receptor D. responding cell In communication between cells, the _____________________ produces the signaling molecule, also known as the ________________; the ______________________ produces the _______________, to which the signaling molecule binds. A. B, A, D, C B. A, B, C, D C. B, C, A, D D. D, C, B, A