Point out the wrong statement about proteins.

They are nitrogenous organic compounds of high molecular mass.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

They on hydrolysis by enzymes give aminoacids.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Many of them are enzymes.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

They do not contain polypeptide .

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D They do not contain polypeptide .
Proteins are nitrogenous organic compounds of high molecular mass which on hydrolysis by enzymes give amino acids. All proteins are enzymes. They do not contain polypeptide but are bonded by peptide linkage.

Suggest Corrections

Similar questions

Q. How many classes of enzymes are there? What are they?

Enzymes are proteins. Proteins are long chains of amino acids linked to each other by peptide bonds. Amino acids have many functional groups in their structure.

These functional groups are many of them at least, ionisable. As they are weak acids and bases in chemical nature, this iohisation is influenced by pH of the solution. For many enzymes, activity is influenced by surrounding pH. This is depicted in the curve below, explain briefly.

Q. With reference to Proteins, consider the following statements:
1.They perform the essential function of helping our body grow and repair itself.
2.Amino acids are joined by peptide bonds to form proteins.
3.Enzymes and Hormones contain proteins.
Which of the statements given above is/are correct?

Q. How many of the following statements regarding restriction enzymes are correct?
A. They generally recognise palindromic nucleotide sequences.
B. They are endonucleases.
C. They are isolated from viruses.
D. A particular restriction enzyme produces the same kind of sticky or blunt ends in any DNA molecules.

Q. Complete the following passage(s) with an appropriate word/term to be filled in the blank spaces.
Apoenenzyme, Polypeptide, Prosthetic, Co-enzyme, Cofactors
Enzymes are composed of one or several .......... (1) ........ chains. However, there are a number of cases in which non-protein constituents called ........(2)........ are bound to the the enzyme to make the enzyme catalytically active. In these instances, the protein portion of the enzymes is called the ..........(3)......... Three kinds of cofactors may be identified prosthetic groups, co-enzymes and metal ions. ..........(4).......... groups are organic compounds and are distinguished from other cofactors in that they are tightly bound to the apoenzyme. For example, in peroxidase and catalase, which catalyze the breakdown of hydrogen peroxide to water and oxygen, haem is the prosthetic group and it is a part of the active site of the enzyme. .......(5)......... are also organic compounds but their association with the apoenzyme is only transient, usually occurring during the course of catalysis, Furthermore co-enzymes serve as co-factors in a number of different enzyme catalyzed reactions. The essential chemical components of many coenzymes are vitamins, e.g., coenzyme nicotinamide adenine dinucleotide (NAD) and NADP contain the vitamin niacin.

Join BYJU'S Learning Program

Point out the wrong statement about proteins.

The correct option is D They do not contain polypeptide .Proteins are nitrogenous organic compounds of high molecular mass which on hydrolysis by enzymes give amino acids. All proteins are enzymes. They do not contain polypeptide but are bonded by peptide linkage.

The correct option is D They do not contain polypeptide .
Proteins are nitrogenous organic compounds of high molecular mass which on hydrolysis by enzymes give amino acids. All proteins are enzymes. They do not contain polypeptide but are bonded by peptide linkage.