Directional Natural selection

Directional selection favors individuals at one extreme of a phenotypic distribution that have greater reproductive success in a particular environment.

TLS Online TPP Program

#Id: 8958

#Section 3: Genetics, Cellular and Molecular Biology

Genetic exchange also happens between distantly related organisms by horizontal gene transfer, or HGT.

HGT is particularly important to prokarytotes and is the most common way by which they acquire new genes.

TLS Online TPP Program

#Id: 8206

#Section 3: Genetics, Cellular and Molecular Biology

Plant vacuole act as

a storage organelle for nutrients and waste products

a degradative compartment

an economical way of increasing cell size

a controller of turgor pressure

TLS Online TPP Program

#Id: 8030

#Section 2: General Biology

Desmosine is formed from four Lys residues

TLS Online TPP Program

#Id: 8609

#Section 3: Genetics, Cellular and Molecular Biology

In free CDK2, the A-loop blocks access of protein substrates to the γ phosphate of the bound ATP.

TLS Online TPP Program

#Id: 7961

#Section 3: Genetics, Cellular and Molecular Biology

Quantity of free BiP in the ER lumen determines the relative proportions of monomeric and dimeric Ire1.