Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 17511
TLS Online TPP Program

#Question id: 3672

During initiation of replication

#XL - S Microbiology

  1. DNA polymerases denature A-T rich sequences at the origin.

  2. replication begins when DnaA protein binds the origin and synthesizes primers.

  3. DnaB protein cleaves the double-helix to produce template strands.

  4. two replication forks need to be created to establish bidirectional replication.

More Questions
TLS Online TPP Program

#Question id: 11392

#XL - S Microbiology

Modes of obtaining nutrients, used by at least some bacteria, include all of the following except
TLS Online TPP Program

#Question id: 11394

#XL - S Microbiology

Foods can be preserved in many ways by slowing or preventing bacterial growth. Which of these methods would not generally inhibit bacterial growth?
TLS Online TPP Program

#Question id: 11395

#XL - S Microbiology

Mitochondria are thought to be the descendants of certain alpha -proteobacteria. They are, however, no longer able to lead independent lives because most

genes originally present on their chromosome have moved to the nuclear genome. Which phenomenon accounts for the movement of these genes?
TLS Online TPP Program

#Question id: 11396

#XL - S Microbiology

Carl Woese and collaborators identified two major branches of prokaryotic evolution. What was the basis for dividing prokaryotes into two domains?
TLS Online TPP Program

#Question id: 11397

#XL - S Microbiology

Which statement about the domain Archaea is false?
TLS Online TPP Program

#Question id: 11397

#XL - T Zoology

Which statement about the domain Archaea is false?