Females are more related to their sisters (0.75) than they would be to their own offspring (0.50).

TLS Online TPP Program

#Id: 4703

#Unit 11. Evolution and Behavior

TLS Online TPP Program

#Id: 558

#Unit 2. Cellular Organization

There are 4 genes (I, Z, Y, A), 2 Promoters and 3 lac operators in Lac operon

The major O1 lac operator lies adjacent to promoter

Two auxiliary O2 and O3 lac operators 

All three operators are required for optimum repression 

TLS Online TPP Program

#Id: 1261

#Unit 7. System Physiology – Animal

The hormones of the adrenal cortex are derivatives of cholesterol.

TLS Online TPP Program

#Id: 9061

#Unit 4. Cell Communication and Cell Signaling

The GPK in skeletal muscle is a huge protein with multiple subunits:

Kinase subunit contains the catalytic activity that activates GP 

Regulatory subunits is the ubiquitous protein calmodulin

TLS Online TPP Program

#Id: 9656

#Unit 4. Cell Communication and Cell Signaling

Feedback regulation by MAP Kinase

Active MAP kinase phosphorylates Raf on multiple sites, reducing its association with Ras.