The overall effect of migration is twofold: 

1.it prevents populations from becoming genetically different from one another, 

2.it increases genetic variation within populations.

#Id: 8042

#Section 2: General Biology

A system to unambiguously describe the configurations of molecules with more than one asymmetric center was devised in 1956 by Robert Cahn, Christopher Ingold, and Vladimir Prelog. In the Cahn–Ingold– Prelog or RS system

#Id: 8041

#Section 2: General Biology

There are two type representation of amino acid structure

1. By Fischer’s convention L and D

2. By absolute configuration RS System

#Id: 8040

#Section 2: General Biology

#Id: 8039

#Section 2: General Biology

Glycine at pH 2.34, where there is an equal mixture of

  the average or net positive charge is 0.5 or +1/2

#Id: 8038

#Section 2: General Biology

#Id: 8037

#Section 2: General Biology