Polar bears and seals have multiple layers of fat, plumage, or fur to keep warm.

Arctic birds often have thick layers of feathers.

TLS Online TPP Program

#Id: 9091

#Unit 4. Cell Communication and Cell Signaling

The resultant efflux of NaCl triggers massive water loss through the intestine as cells respond to the ensuing osmotic imbalance causes severe dehydration and electrolyte loss.

TLS Online TPP Program

#Id: 6372

#Unit 2. Cellular Organization

lacZ encodes for b-galactosidase,a tetramer of 500 kD. The enzyme breaks lactose is cleaved into glucose and galactose.  This enzyme also produces an important byproduct, b-1,6-allolactase.

TLS Online TPP Program

#Id: 4889

#Unit 13. Methods in Biology

Regression analysis refers to assessing the relationship between the outcome variable and one or more variables.

TLS Online TPP Program

#Id: 632

#Unit 3. Fundamental Processes

Transversion takes place due to Oxidation of Nitrogenous bases especially of Guanine due to reactive oxygen species.

TLS Online TPP Program

#Id: 1781

#Unit 4. Cell Communication and Cell Signaling

Graft Rejection

Autograft is self tissue transferred from one body site to another in the same individual. Isograft is tissue transferred between genetically identical individuals.