Practice Questions

TLS Online TPP Program

#Question id: 4062

What modification occurs at the 5’ end of an mRNA?

#Unit 3. Fundamental Processes

A 5-methylGuanosine cap is added through a 5’-3’ linkage.
A 7-methylAdenine cap is added through a 3’-3’ linkage.
A 7-methylGuanosine cap is added through a 5’-3’ linkage.
A 7-methylAdenine cap is added through a 5’-5’ linkage.

More Questions

TLS Online TPP Program

#Question id: 1391

#Unit 4. Cell Communication and Cell Signaling

If an adult person has a faulty version of the human analog to ced-4 of the nematode, which of the following is most likely to result?

TLS Online TPP Program

#Question id: 364

#Unit 1. Molecules and their Interaction Relevant to Biology

A solution contains 0.0000001 (10-7) moles of hydrogen ions [H+] per liter. Which of the following best describes this solution?

TLS Online TPP Program

#Question id: 21132

#Unit 12. Applied Biology

Succinic acid is produced by microbes such as;

TLS Online TPP Program

#Question id: 6615

#General Aptitude

Find the next number in the sequence : 11.25, 9, 6. 75, 4.5,…

TLS Online TPP Program

#Question id: 13038

#Unit 13. Methods in Biology

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order

i. incubate with antibody-enzyme complex that binds primary antibody

ii. coat surface with antigen, block unoccupied sites with nonspecific protein

iii. add substrate, formation of colored product indicates presence of specific antigen

iv. incubate with primary antibody against specific antigen