Practice Questions

TLS Online TPP Program

#Question id: 4317

Which of the following functions does the product of the p53 gene carry out?

#Unit 3. Fundamental Processes

It inhibits the cell cycle.
It slows down the rate of DNA replication by interfering with the binding of DNA polymerase.
It causes cells to reduce expression of genes involved in DNA repair.
It allows cells to pass on mutations due to DNA damage.

More Questions

TLS Online TPP Program

#Question id: 23154

#Unit 13. Methods in Biology

When the organelles pH is acidic the how the SNARF-1 dye measures this acidity?

TLS Online TPP Program

#Question id: 23155

#Unit 13. Methods in Biology

Match the following ions in column I with their relevant dyes column II.

Column I Column II

1. K+ a. Fura-2

2. Ca2+ b. SNARF-1

3. H+ c. Ion potassium green

Which of the following options is correct?

TLS Online TPP Program

#Question id: 23156

#Unit 13. Methods in Biology

Most widely used method of detecting specific proteins, uses an antibody to which a fluorescent dye has been covalently attached

TLS Online TPP Program

#Question id: 23157

#Unit 13. Methods in Biology

Immunofluorescence microscopy, the most widely used method of detecting

TLS Online TPP Program

#Question id: 23158

#Unit 13. Methods in Biology

You have purified protein X and injected into an animal so that over a period of weeks, the animal will mount an immune response and make antibodies to protein X. By which technique these generated antibodies can be extracted from blood serum.

TLS Online TPP Program

#Question id: 23159

#Unit 13. Methods in Biology

Rhodamine is a fluorescent dye which emits a colour?