Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 44524
TLS Online TPP Program

#Question id: 3864

RNA polymerase:

#SCPH06 I Botany

  1. binds tightly to a region of DNA thousands of base pairs away from the DNA to be transcribed.

  2. can synthesize RNA chains de novo (without a primer).

  3. has a subunit called lambda, which acts as a proofreading ribonuclease.

  4. separates DNA strands throughout a long region of DNA (up to thousands of base pairs), then copies one of them.

More Questions
TLS Online TPP Program

#Question id: 4607

#SCPH28 | Zoology

Members of two different species possess a similar-looking structure that they use in a similar way to perform about the same function. Which of the following would suggest that the relationship more likely represents homology instead of convergent evolution?
TLS Online TPP Program

#Question id: 4608

#SCPH28 | Zoology

What must be true of any organ described as vestigial?
TLS Online TPP Program

#Question id: 4609

#SCPH28 | Zoology

Pseudogenes are ________.
TLS Online TPP Program

#Question id: 4610

#SCPH28 | Zoology

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that ________.
TLS Online TPP Program

#Question id: 4611

#SCPH28 | Zoology

Given what we know about evolutionary biology, we expect to find the largest number of endemic species in which of the following geological features, which have existed for at least a few million years?
TLS Online TPP Program

#Question id: 4718

#SCPH06 I Botany

All the following statements about destruction of cyclins are true, except: