List of top Microbiology Questions on Immunology

Choose correct statements about two-dimensional electrophoresis. A. It is a combination of IEF and SDS-PAGE.
B. It separates proteins of identical molecular weight that differ in pI.
C. It can't separate proteins with similar pI values but differ in molecular weight.
D. Thousands of cellular proteins can be resolved with this technique.
E. Microscopy can be used to identify individual protein spots in IEF.
Choose the correct answer from the options given below :

Arrange the following centrifugal speeds in an order to be used when a cell homogenate is to be separated into various fractions. A. \(1000\, g\)
B. \(80{,}000\, g\)
C. \(1{,}50{,}000\, g\)
D. \(20{,}000\, g\)
E. \(60{,}000\, g\)
Choose the correct answer from the options given below :

Arrange the steps in southern blotting in correct order :
A. Transfer of DNA to nitrocellulose membrane
B. Detection of hybridized probe
C. Restriction digestion of DNA
D. Hybridization with labelled probe
E. Gel electrophoresis
Choose the correct answer from the options given below :

Given below are two statements :
one is labelled as
Assertion (A) and the other is labelled as
Reason (R).
Assertion (A) :
IgG is the first immunoglobulin produced during a primary immune response.
Reason (R) :
IgM has a pentameric structure that allows efficient activation of the complement system.
In the light of the above statements, choose the most appropriate answer from the options given below :

First scientist to describe phagocytosis by white blood cells was:

The enormous diversity exhibited by MHC molecules within a species originates from:

Aminopterin is added in HAT medium to:

Lectins are:

A case of recurrent Neisseria gonorrhoeae infection is being evaluated. Which immunological investigation would best detect a complement pathway defect?

Which of the following T cell independent antigen acts through?