Introns have negative Fold Potential i.e. potential to form stem loop.

TLS Online TPP Program

#Id: 8446

#Unit 1. Molecules and their Interaction Relevant to Biology

In the α helix, the backbone hydrogen bonds are arranged such that the peptide CO bond of the nth residue points along the helix axis toward the peptide NH group of the (n + 4)th residue. 

TLS Online TPP Program

#Id: 4941

#Unit 13. Methods in Biology

When we consider, the null speculation is true, the sampling distribution of the test statistic is called as chi-squared distribution.

TLS Online TPP Program

#Id: 6700

#Unit 3. Fundamental Processes

The introns in pre-tRNA vary in length from 14 to 60 bases and only single intron is found in each pre-tRNA transcript A pre-tRNA intron is excised in one step  Finally, hydrolysis of GTP and ATP is required to join the two tRNA halves generated by cleavage on either side of the intron.

TLS Online TPP Program

#Id: 10274

#Unit 6. System Physiology – Plant

Changes in osmotic potential of guard cells required for stomatal opening in the morning are mediated by potassium and its counterions, whereas the afternoon changes are mediated by sucrose.

TLS Online TPP Program

#Id: 7031

#Unit 11. Evolution and Behavior

Chevalier de Lamarck - Inheritance of acquired characteristics