TLS Online TPP Program

#Question id: 5845


Which of the following statements is false?  In vitro, the strand-exchange reaction:

#Section 3: Genetics, Cellular and Molecular Biology
  1. can include formation of a Holliday intermediate.

  2. is accompanied by ATP hydrolysis.

  3. may involve transient formation of a three- or four-stranded DNA complex.

  4. requires DNA polymerase.

More Questions
TLS Online TPP Program

#Question id: 3753

#Section 3: Genetics, Cellular and Molecular Biology

Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?

TLS Online TPP Program

#Question id: 3754

#Section 3: Genetics, Cellular and Molecular Biology

Thymine makes up 28% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be guanine?

TLS Online TPP Program

#Question id: 3755

#Section 3: Genetics, Cellular and Molecular Biology

In E. coli, there is a mutation in a gene called dnaB that alters the helicase that normally acts at the origin of replication. Which of the following events would you expect to occur as a result of this mutation?

TLS Online TPP Program

#Question id: 3756

#Section 3: Genetics, Cellular and Molecular Biology

 In E. coli, which enzyme catalyzes the elongation of a new DNA strand in the 5' → 3' direction?

TLS Online TPP Program

#Question id: 3757

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following characteristics of eukaryotic telomeres cause them to replicate differently than the rest of the chromosome?

TLS Online TPP Program

#Question id: 3758

#Section 3: Genetics, Cellular and Molecular Biology

 At a specific area of a chromosome, the sequence of nucleotides below is present where the chain opens to form a replication fork:

3' C C T A G G C T G C A A T C C 5'

An RNA primer is formed starting at the underlined T (T) of the template. Which of the following represents the primer sequence?