PS4 - MCB 110 Spring 2011 Problem Set 4 1. True or False...

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MCB 110 Spring 2011 Problem Set 4 1. True or False ____A. RuvB is a tetrameric helicase. ____B. RuvC is a bacterial endonuclease required to resolve Holliday junction ____C. RecA binds to dsDNA cooperatively. ____D. RecA-ATP form promotes strand exchange. ____E. dsDNA breaks can only be repaired by homologous recombination. ____F. The lysogenic state of lambda phage results in integration of phage DNA into the host genome. ____G. When lambda phage are in an environment containing an extreme excess of nutrients (excess of bacterial host cells) the phage enter the lytic cycle. ____H. Lambda phage can integrate into a bacteria host genome at any DNA sequence. ____ I. The four subunits of the recombinase tetramer perform their functions simultaneously to cleave and reseal all four strands at once ____ J. DNA transposons are flanked by both direct and inverted repeats ____ K. Mobile DNA elements are purely deleterious (harmful) and can have no benefit to the host. ____ L. All transposons encode a transposase in its insertion sequence
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PS4 - MCB 110 Spring 2011 Problem Set 4 1. True or False...

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