Practice Questions

TLS Online TPP Program

#Question id: 794

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which structural feature is found in the single-stranded DNA molecule?

#Unit 1. Molecules and their Interaction Relevant to Biology

It can have a negatively-charged backbone composed of nitrogenous bases.
Each 3’,5’-phosphodiester bond will contain one phosphate group linking two deoxyribose sugars.
It can have one end with a 5’-phosphate group while the other end has a 2’-hydroxyl group.
Each purine and pyrimidine will be paired with a complementary base.

More Questions

TLS Online TPP Program

#Question id: 21115

#Unit 12. Applied Biology

Which one of the following biosensors is not a type of biosensor based on bio receptors?

TLS Online TPP Program

#Question id: 21116

#Unit 12. Applied Biology

ICS type biosensor can be used on live cells. What does ICS stands for?

TLS Online TPP Program

#Question id: 21117

#Unit 12. Applied Biology

The main advantage of hydrogen peroxide electrode transducer is ____________ ?

High sensitivity

Low selectivity

Which of the following options are correct?

TLS Online TPP Program

#Question id: 21118

#Unit 12. Applied Biology

What are the advantages of biosensors in agriculture?

Measures non-polar molecules

Gives accurate readings

Which of the following options are incorrect?

TLS Online TPP Program

#Question id: 21119

#Unit 12. Applied Biology

The electrochemical biosensors are categorised into _________________ types?

TLS Online TPP Program

#Question id: 21120

#Unit 12. Applied Biology

Which one of the following is a biomarker for hypertension?