Which of the following statements is true regarding bacterial RNA polymerase   

a. Core enzyme can efficiently transcribe both intact and nicked DNA 

b. Sigma destabilizes nonspecifically bound core 

c. Holoenzyme bind tightly to DNA 

d. Higher disassociation rate at lower temperature 

e. Most of the cellular sigma are house keeping gene

TLS Online TPP Program

#Question id: 27571

#Unit 1. Molecules and their Interaction Relevant to Biology

As atom "A" approaches, the electrons of atom "B" will be attracted by the positive end of atom "A". As a result, the electrons of atom "B" will migrate to the left side and make the left side slightly negative, such given condition leads to the formation of

TLS Online TPP Program

#Question id: 27572

#Unit 1. Molecules and their Interaction Relevant to Biology

Nitrogenous Base pairs & aromatic amino acids stack together through pi, pi-electronic interactions, These stacking interactions are best example of

TLS Online TPP Program

#Question id: 27573

#Unit 1. Molecules and their Interaction Relevant to Biology

Interaction type, Distance dependence of potential energy, and Typical energy (kJ mol-1) are given

Interaction type	Distance dependence of potential energy	Typical energy (kJ mol⁻¹)
1. Ion-ion	a. 1/r6	i. 2
2. Ion-dipole	b. 1/r6	ii. 15
3. Dipole-dipole (rotating polar molecule)	c. 1/r2	iii. 0.3
4. London (dispersion)	d. 1/r	iv. 250

Match them correctly

TLS Online TPP Program

#Question id: 27574

#Unit 1. Molecules and their Interaction Relevant to Biology

Misplaced Dispersion forces are responsible for

a. Sickle-Cell Anemia

b. Alzheimer's disease

c. CFTR

d. Huntington disease

Choose which of the above set of diseased caused by Misplaced Dispersion

TLS Online TPP Program

#Question id: 27575

#Unit 1. Molecules and their Interaction Relevant to Biology

Which kind of interactions occur between the side chains of oppositely charged residues as well as between the NH3+ and COO− groups at the ends of polypeptide

TLS Online TPP Program

#Question id: 27576

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following law describe the potential energy (V) between two separated charges (in a perfect vacuum)