TLS Online TPP Program

#Question id: 749


Which of the following is correct for the A form of DNA structures?

#Part-B Specialized Branches in Biotechnology
  1. a wider than B form.

  2. more compressed structure in which the base pairs are tilted with respect to the helix axis, and actually lie off the axis.

  3. The helical repeat of the A-form is around 11 bp/turn

  4. All of the above are correct.

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TLS Online TPP Program

#Question id: 854

#Part-B Specialized Branches in Biotechnology

Many conditions including type 2 diabetes, Alzheimer  disease, Huntington disease and parkinson disease are associated with the misfolding mechanism a soluble protein that is normally secreted from the cell is secreted in the missfold state and converted into an insoluble extracellular fibre the diseases are correctly referred to as

TLS Online TPP Program

#Question id: 857

#Part-B Specialized Branches in Biotechnology

The aggregation of nonpolar side chains in the interior of a protein is favored by

TLS Online TPP Program

#Question id: 859

#Part-B Specialized Branches in Biotechnology

Which one statement is incorrect about ATG genes;

TLS Online TPP Program

#Question id: 861

#Part-B Specialized Branches in Biotechnology

Alexander Varshavsky discovered, the half-lives of many cytoplasmic proteins vary with the identities of their N-terminal residues via the so-called N-end rule:-

A. Destabilizing N-terminal residues Asp, Arg, Leu, Lys, and Phe have half-lives of

i. Only 2 to 3 minutes,

B. Stabilizing N-terminal residues Ala, Gly, Met, Ser, Thr, and Val have half-lives of

ii. >10 hours in prokaryotes

iii. >20 hours in eukaryotes.

TLS Online TPP Program

#Question id: 863

#Part-B Specialized Branches in Biotechnology

Ubiquitinated proteins are proteolytically degraded in an ATP-dependent process mediated by a large (∼2500 kD, 26S) multiprotein complex named the 26S proteasome;

TLS Online TPP Program

#Question id: 865

#Part-B Specialized Branches in Biotechnology

In autophagy, the endoplasmic reticulum (ER) first gives rise to a cup-shaped, membranous cisterna called the______