Wheat straw is a good

TLS Online TPP Program

#Question id: 27390

#Biochemistry

Some elements exist naturally as molecules. Such as, hydrogen and oxygen exist as two-atom molecules, but Sulfur and phosphorus normally  exists as

TLS Online TPP Program

#Question id: 27391

#Biochemistry

Choose the correct statement

1.Transfer of electrons is the characteristic of ionic bond 

2.Sharing of electrons is the characteristic of ionic bond

3.Sharing of electron is the characteristics of covalent bond 

4.Transfer of electron is the characteristics of covalent bond

TLS Online TPP Program

#Question id: 217

#Biotechnology

Which substance would make a good ligand for biotin on the matrix of an affinity chromatography column?

TLS Online TPP Program

#Question id: 305

#Biotechnology

Conditions for ionic bond formation is / are________

(A) Small cation, large anion

(B) Low IP of cation, high electron affinity of anion

(C) Large cation, small anion and less charge

(D) Less lattice energy

Correct answer is:

TLS Online TPP Program

#Question id: 1225

#Biotechnology

The dissociation constant Kd for a receptor-ligand complex is

a. a measure of the affinity of the receptor for the ligand.

b. the concentration of the ligand at which half of the receptors contain bound ligand.

c. a measure of the time it takes for a ligand to be converted to a product.

d. equal to koff/kon 

TLS Online TPP Program

#Question id: 1246

#Biotechnology

An SH2-containing protein contains a mutation that changes its binding pocket such that tyrosine and phosphotyrosine bind with equal affinity. As a result, MEK activity: