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TLS Online TPP Program

#Question id: 3881

Which one of the following statements about mRNA stability is true?

#Unit 3. Fundamental Processes

  1. Degradation always proceeds in the 5' to 3' direction.

  2. Degradation of mRNA by polynucleotide phosphorylase yields 5'-nucleoside monophosphates.

  3. In general, bacterial mRNAs have longer half-lives than do eukaryotic mRNAs.

  4. Secondary structure in mRNA (hairpins, for example) slows the rate of degradation.

More Questions
TLS Online TPP Program

#Question id: 34171

#Unit 3. Fundamental Processes

If the rate of fidelity of replication in bacteria is 10-9/bp. How many replications it would take to make a mistake?
TLS Online TPP Program

#Question id: 4453

#Unit 3. Fundamental Processes

Correct statements about regions of the s70 factor which can be divided into four regions called s region 1 through s region 4;
TLS Online TPP Program

#Question id: 5408

#General Aptitude

The average ofx1 , x2 and x3 is 25. Twice the sum of x1 and x3 is 40, what is the value of X 2
TLS Online TPP Program

#Question id: 29510

#Unit 6. System Physiology – Plant

Which one of the following secondary metabolites is produced by  Members of the Brassicales and characterised by a sulphur-containing organic compounds derived from glucose and an amino acid?
TLS Online TPP Program

#Question id: 31332

#Unit 5. Developmental Biology

When the epithelial cells and mesenchymal cells placed together, the same epithelium develops different structures according to the region from which the mesenchyme was taken, phenomena known as: