What kind of molecules is Phytoalexins

1. Low molecular weight antibiotic

2. High molecular weight antibiotic

3. Polyphenolic

4. Terpenoid compounds

Which of the following is a correct option?

TLS Online TPP Program

#Question id: 19918

#Unit 13. Methods in Biology

Affinity constant (Ka) in between the antigen-antibody interaction can be analysed by which method?

TLS Online TPP Program

#Question id: 19919

#Unit 13. Methods in Biology

Scatchard plots are based on repeated equilibrium dialyses with a constant concentration of antibody and varying concentration of ligand. Which plots correctly verify the Scatchard equation that determined by equilibrium dialysis?

TLS Online TPP Program

#Question id: 19920

#Unit 13. Methods in Biology

Ag-Ab reactions are highly specific, in some cases antibody elicited by one antigen and with unrelated antigen also, Such two different antigens share an identical or very similar epitope then it consider 

TLS Online TPP Program

#Question id: 20000

#Unit 13. Methods in Biology

Example of Cross-reactivity

a) Dominant and recessive gene

b) Autoimmune disease

c) Blood group mismatch

TLS Online TPP Program

#Question id: 20001

#Unit 13. Methods in Biology

Antibody excess zone of inhibited precipitation in which__

TLS Online TPP Program

#Question id: 20024

#Unit 13. Methods in Biology

Precipitation reaction are recognise by the formation of

a) Lattice

b) Agglutination

c) Ordered structure of antigen and antidody

d) Antibody must be bivalent