The mutator phenotype produce by mutation in fidelity system of replication called as

TLS Online TPP Program

#Question id: 12369

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphoric acid attachment occur to ribose or deoxyribose at

A. C3 during phosphodiester bond formation

B. C5 during nucleotide formation

C. C2 during phosphodiester bond formation

D. C1 during nucleotide formation

Which of the combinations contains all incorrect statements?

TLS Online TPP Program

#Question id: 12370

#Unit 1. Molecules and their Interaction Relevant to Biology

Dideoxy ribose sugar contains

TLS Online TPP Program

#Question id: 12989

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statement related to hydrogen bond and Van der Waals interactions

a. Hydrogen bond formation takes place between dipole-dipole interaction.

b. Van der waals interaction takes place between induced dipole-induced dipole.

c. Hydrogen bond formation takes place between induced dipole-induced dipole.

d. Van der waals interaction takes place between dipole-dipole interaction.

TLS Online TPP Program

#Question id: 12990

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect statement related to ionic interactions

a. Ionic interactions takes place between positively and negatively charged amino acids side chain.

b. Ionic interactions takes place between positively and positively charged amino acids side chain.

c. ionic interaction has almost 20 kj/mol of bond energy.

d. ionic interaction is weak interaction that have lowest 20kj/mol of bond energy.

e. strength of ionic bond within protein chain calculated by

 

TLS Online TPP Program

#Question id: 12991

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statements

a. Secondary structures are stabilized by hydrogen bonds.

b. Hydrogen bond always formed between non bonded atoms.

c. the folded length of an amino acid in α-helix reduced almost 3 times than linear structure.

d. Only dihedral angle changes during the formation of secondary structure while bond length remains unchanged

TLS Online TPP Program

#Question id: 12992

#Unit 1. Molecules and their Interaction Relevant to Biology

α-helix changes its configurations according to the environment then

a. membrane encompassing α-helix have nonpolar residue oriented toward the membrane lipid.

b. if α-helix is found in plasm then polar residue will be oriented toward the outside.

c. if α-helix is found in plasm then nonpolar residue will be present inside the core.

d.  membrane encompassing α-helix have polar residue oriented towards the membrane lipid.

Choose incorrect statement