MBB222 July19

During DNA replication, DNA is unwound by ______

During transcription in E. coli, the -10 and -35 regions of the promoter are bound by the ____________ of RNA polymerase

histone proteins are rich in

• amino acids with basic R-groups

• amino acids with acidic R-groups

• Leucine and Asparagine

• Amino acids with hydrophobic R-groups

The core RNA polymerase in E. coli includes the following subunits: α2ββ′ωσ

• true

• false

A DNA base "G" is mutated to "C", this is called a ______

If guanine is methylated at O⁶, then the methylated guanine will basepair with ____

• C

• A

• T

• None of the above

telomerase is a polymerase that uses _______ as a template and synthesizes _________ is an example of an RNA-dependent, DNA polymerase.

• DNA, DNA

• DNA, RNA

• RNA, DNA

• RNA, RNA

exinuclease is used in ________

• (a) nucleotide excision repair

• (b) base excision repair

• (c) mismatch repair

• both (a) and (b)

acetylation of histones facilitate the formation of 11-nm chromatin fibers from 30-nm chromatin fibers

• true

• false

which of these is not needed for DNA replication?

• primosome

• DNA ligase

• DNA polymerase I

• sing-stranded binding protein (ssb)

• Rho protein