Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 25104
TLS Online TPP Program

#Question id: 1591

Which of the following is not true about helper T cells?

#Part-B Specialized Branches in Biotechnology

  1. They function in cell-mediated and humoral responses.

  2. They recognize polysaccharide fragments presented by class II MHC molecules.

  3. They bear surface CD4 molecules.

  4. They are subject to infection by HIV.

More Questions
TLS Online TPP Program

#Question id: 4200

#Part-A Aptitude & General Biotechnology

 At the beginning of translocation, the growing peptide chain is attached to tRNA located at the __ on the ribosome.
TLS Online TPP Program

#Question id: 4201

#Part-A Aptitude & General Biotechnology

The role of GTP in the translocation step of protein synthesis is to supply energy for
TLS Online TPP Program

#Question id: 4202

#Part-A Aptitude & General Biotechnology

The E site on the ribosome is the location of
TLS Online TPP Program

#Question id: 4203

#Part-A Aptitude & General Biotechnology

 Translation begins to be terminated when
TLS Online TPP Program

#Question id: 4204

#Part-A Aptitude & General Biotechnology

For each amino acid added to a polypeptide chain, __ phosphoanhydride bonds are cleaved.
TLS Online TPP Program

#Question id: 4206

#Part-A Aptitude & General Biotechnology

Ribosomal protein synthesis is controlled by inhibitor proteins, the genes of which are located on the ribosomal protein operon, and which bind to __ when ribosome assembly slows and bind to __ when ribosome assembly is proceeding at a steady rate.