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TLS Online TPP Program

#Question id: 3865

Which of the following statements about E. coli RNA polymerase is false?

#Section 3: Genetics, Cellular and Molecular Biology

  1. Core enzyme selectively binds promoter regions, but cannot initiate synthesis without a sigma factor.

  2. RNA polymerase holoenzyme has several subunits.

  3. RNA produced by this enzyme will be completely complementary to the DNA template.

  4. The enzyme adds nucleotides to the 3' end of the growing RNA chain.

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TLS Online TPP Program

#Question id: 3324

#Section 3: Genetics, Cellular and Molecular Biology

If only 20 males and 20 female grizzlies exist today, but only 10 of the males and 6 female breed, what are effective population size?
TLS Online TPP Program

#Question id: 12902

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

An extension of microarray technology may also be used to analyze tissue sections,this process is known as_____
TLS Online TPP Program

#Question id: 586

#Section 2: General Biology

At the beginning of an enzyme-catalyzed reaction the ________ is negligible.
TLS Online TPP Program

#Question id: 3713

#Section 3: Genetics, Cellular and Molecular Biology

At the normal rate of replication, about how many minutes does it take for the entire E. coli chromosome (4.6 × 10^3 kbp) to be duplicated?
TLS Online TPP Program

#Question id: 16449

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Variants of PCR has been devised for mutational analysis