Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 18258
TLS Online TPP Program

#Question id: 3783

What is the basis for the difference in how the leading and lagging strands of DNA molecules are synthesized?

#XL - Q Biochemistry

  1. The origins of replication occur only at the 5′ end.

  2. Helicases and single-strand binding proteins work at the 5′ end.

  3. DNA polymerase can join new nucleotides only to the 3′ end of a pre-existing strand, and the strands are antiparallel.

  4. DNA ligase works only in the 3′ → 5′ direction.

More Questions
TLS Online TPP Program

#Question id: 3763

#XL - Q Biochemistry

What is the function of the enzyme topoisomerase in DNA replication?
TLS Online TPP Program

#Question id: 8695

#XL - S Microbiology

Phylogenetic trees constructed from evidence from molecular systematics are based on similarities in ________.
TLS Online TPP Program

#Question id: 18541

#XL - R Botany

Camphor is obtained from which part of the following 
TLS Online TPP Program

#Question id: 19980

#XL - P Chemistry

Which is the paramagnetic species ? 
TLS Online TPP Program

#Question id: 4619

#XL - T Zoology

Within six months of effectively using methicillin to treat S. aureus infections in a community, all new S.aureus infections were caused by MRSA. How can this best be explained?