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: 9574

#SCPH28 | Zoology

What is the prevailing wind direction in equatorial regions affected by the trade winds?
TLS Online TPP Program

#Question id: 9575

#SCPH06 I Botany

The warm counter current known as El niño moves southward along the coast of peru each year around christmastime. When this counter current flows strongly, it displaces the cold peru current offshore and results in:
TLS Online TPP Program

#Question id: 9575

#SCPH28 | Zoology

The warm counter current known as El niño moves southward along the coast of peru each year around christmastime. When this counter current flows strongly, it displaces the cold peru current offshore and results in:
TLS Online TPP Program

#Question id: 9576

#SCPH06 I Botany

How rapidly does adiabatic cooling reduce air temperature at higher altitudes?
TLS Online TPP Program

#Question id: 9576

#SCPH28 | Zoology

How rapidly does adiabatic cooling reduce air temperature at higher altitudes?
TLS Online TPP Program

#Question id: 9577

#SCPH06 I Botany

The epidermal coloration of the African grasshopper is a striking example of irreversible developmental responses to environmental conditions. Which of the following statements is true?