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.

TLS Online TPP Program

#Id: 7762

#Section 2: General Biology

In a covalent bond, electrons are shared between atoms. In an ionic bond, electrons are transferred between atoms.

TLS Online TPP Program

#Id: 7926

#Section 3: Genetics, Cellular and Molecular Biology

Rough ER, which is associated with ribosomes, functions in the synthesis and processing of secreted and membrane proteins

Smooth ER, which lacks ribosomes, functions in lipid synthesis.

TLS Online TPP Program

#Id: 8318

#Section 3: Genetics, Cellular and Molecular Biology

Nucleation phase 

Two G-actin molecules bind relatively weakly to each other, but addition of a third actin monomer to form a trimer makes the entire group more stable, acts as a nucleus for polymerization.

TLS Online TPP Program

#Id: 9147

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 8637

#Section 3: Genetics, Cellular and Molecular Biology

The G1 cyclin-CDK complex (Cln3-CDK in yeast) stimulates the formation of G1/S phase cyclin-CDKs, which initiate bud formation, centrosome duplication, and DNA replication.