Gels of 15% polyacrylamide are useful for separating proteins in the range Mr = 100,000 to 10,000,  while a 7.5% gel are used to separate 

TLS Online TPP Program

#Question id: 31015

#Unit 4. Cell Communication and Cell Signaling

A ligand binds two different receptors with a Kd value of 10⁻⁷ M for receptor 1 and a Kd value of 10⁻⁹ M for receptor 2. For which receptor does the ligand show the greater affinity?

TLS Online TPP Program

#Question id: 31016

#Unit 4. Cell Communication and Cell Signaling

Epinephrine binding to its receptor stimulates:

TLS Online TPP Program

#Question id: 31017

#Unit 4. Cell Communication and Cell Signaling

When the signaling molecules are synthesized and secreted by signaling cells, transported through the circulatory system and finally act on target cells distant from their site of synthesis, called as:

TLS Online TPP Program

#Question id: 31018

#Unit 4. Cell Communication and Cell Signaling

Same ligand can induce different cells to respond in a variety of ways, often in a manner that coordinates the overall response of the organism. This property is known as:

TLS Online TPP Program

#Question id: 31019

#Unit 4. Cell Communication and Cell Signaling

Binding of a single ligand to a receptor usually can be viewed as a:

TLS Online TPP Program

#Question id: 31020

#Unit 4. Cell Communication and Cell Signaling

At equilibrium, the rate of formation of the receptor-ligand complex, is equal to the rate of its dissociation, thus at equilibrium: