Two bases in the non-template strand of the –10 element (A11 and T7) flip out from their base-stacking interactions and instead insert into pockets within the s protein where they make more favorable interactions

TLS Online TPP Program

#Id: 3964

#Unit 7. System Physiology – Animal

Conducting cells are specialized muscle cells which function to rapidly spread action potentials over the entire myocardium.

TLS Online TPP Program

#Id: 6528

#Unit 7. System Physiology – Animal

Insulin, 

synthesized and secreted 

by the β cells

TLS Online TPP Program

#Id: 7750

#Unit 1. Molecules and their Interaction Relevant to Biology

The greater the effective nuclear charge the more tightly an electron is held in by the nucleus because there is less electron shield between the valence electrons and the nucleus, and so, the smaller the radius.

TLS Online TPP Program

#Id: 2848

#Unit 13. Methods in Biology

SEC chromatographic technique for the separation of molecules on the basis of their molecular size and shape exploits the molecular sieve properties of a variety of porous materials.

TLS Online TPP Program

#Id: 2154

#Unit 9. Diversity of Life Forms

Second positions most slowly evolve.