MCQ-Practice Test -Chapter 9-Biomolecules

Which one of the following is an example of an enzyme group called transferase

The formation of phosphodiester bonds between two nucleotides can be considered as

For RNA-interference, two scientists got Nobel prize in 2006. In which organism these scientists discovered this process?

Arrange the following compounds in descending order on the basis of number of carbon atoms present in them.

Reverse transcription was discovered by which of the following scientist?

In the study of enzymes, a sigmoidal plot of substrate concentration(S) versus the reaction velocity(V) indicates

An enzyme which brings about change inside a group without altering the composition is

Which of the following statements are true?

All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is?

On plotting a graph between substrate concentration and time, a scientist found a sigmoid curve. The enzyme is

Which of the following is a false statements

When hydrogen peroxide is applied on the wound as a disinfectant, there is frothing at the site of injury. which is due to the presence of an enzyme in the skin that uses hydrogen peroxide as a substrate to produce.

The way enzyme helps a substrate to be attacked by reagent effectively is :

Which biomolecule is correctly characteristed?

The term feedback refers to the effect of

A test tube contains 4000 substrate moles along with its corresponding enzyme whose TON is 20. After 10 minutes if 40% of the substrate is left in the test tube, then how many enzyme molecules are involved in the reaction?

Formation of both peptide and glycosidic bonds involves

Which of the following elements are present in all proteins?

Enzymes functional in a cell are