Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 3795
TLS Online TPP Program

#Question id: 4008

The significance of methylation of pre-rRNA is probably:

#Unit 3. Fundamental Processes

  1. to ensure that the final rRNA will assume the correct tertiary structure.

  2. to prevent the pre-rRNA from being processed.

  3. to prevent degradation of the parts destined to become mature rRNA .

  4. none of the above.

More Questions
TLS Online TPP Program

#Question id: 27384

#Unit 1. Molecules and their Interaction Relevant to Biology

The greater the effective nuclear charge on the atom
TLS Online TPP Program

#Question id: 27002

#Unit 10. Ecological Principles

Most individual die at later in their life showing which type of survivorship curve___
TLS Online TPP Program

#Question id: 19100

#Unit 4. Cell Communication and Cell Signaling

Xanthomonas oryzae secretes a highly conserved peptide, which mediates quorum sensing by
TLS Online TPP Program

#Question id: 1227

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a mechanism for down regulation of signaling from G protein-coupled receptors?

a. a change in the Kd of the receptor-hormone complex

b. proteolysis of the Gα subunit                     

c. hydrolysis of cAMP to 5´-AMP

d. dephosphorylation of adenylyl cyclase
TLS Online TPP Program

#Question id: 12370

#Unit 1. Molecules and their Interaction Relevant to Biology

Dideoxy ribose sugar contains