Molecular Biology/Immunology

Question 1

Western, Southern, Northern blotting are used to identify what substances?

Answer 1

Western- protein
Southern- DNA
Northern- RNA

Question 2

What is the post-amplification product of reverse transcription polymerase chain reaction (RT-PCR)?

Answer 2

DNA

Question 3

DNA replication occurs during which phase of the cell cycle?

Answer 3

S

Question 4

What describes a plasmid?

Answer 4

An extrachromosomal, circular piece of DNA that replicates independently of host DNA

Question 5

A type IV (delayed-type hypersensitivity reaction) can be seen in which of the following scenarios?

Answer 5

Placement of plate and screws for ORIF

Question 6

The acquired immune response mediated by the interaction between the T cell receptor and major histocompatibility complex requires which of the following first steps?

Answer 6

Antigen processing and presentation to the T cells

Question 7

What is the first class of antibody to appear in serum after exposure to a foreign antigen?

Answer 7

IgM