Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 18155
TLS Online TPP Program

#Question id: 4135

In the “activation” of an amino acid for protein synthesis:

#XL - T Zoology

  1. leucine can be attached to tRNAPhe, by the aminoacyl-tRNA synthetase specific for leucine.

  2. methionine is first formylated, then attached to a specific tRNA.

  3. the amino acid is attached to the 5' end of the tRNA through a phosphodiester bond.

  4. there is at least one specific activating enzyme and one specific tRNA for each amino acid.

More Questions
TLS Online TPP Program

#Question id: 15756

#XL - S Microbiology

Synthetic seeds are produced by the encapsulation of somatic embryos with ___________.
TLS Online TPP Program

#Question id: 4611

#XL - S Microbiology

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: 10680

#XL - T Zoology

Which of the following organism usually show exploitation competition?
TLS Online TPP Program

#Question id: 928

#XL - Q Biochemistry

 Which enzyme is the major regulatory control point for B-oxidation?
TLS Online TPP Program

#Question id: 3915

#XL - Q Biochemistry

Which of the following is true for the unwinding of the DNA helix and the synthesis of a short stretch of RNA?