Proteins are ______ of amino acids

1.homopolymer

2.heteropolymer

3.Neither homopolymer nor heteropolymer

4.None of these

Which of the following is responsible for the formation of primary polypeptide?

1.peptide bond

2.Hydrogen bonding

3.Di-sulphide bond

4.Ionic bond

How many water molecules will be released if four amino acids will be joined linearly neglecting proline in the chain?

1.4

2.3

3.2

4.1

How many of the following bonds is present in tertiary structure of protein

Hydrophobic Interaction, Hydrogen bonding, Di-sulphide bond, Ionic bond, peptide bond

1.5

2.4

3.3

4.2

Majority of the enzymes and proteins exist in which type of structure of proteins?

1.Primary

2.Secondary

3.Tertiary

4.Quaternary

Quaternary structure of proteins are formed by

1.primary structure of proteins

2.Secondary structure of proteins

3.Tertiary structure of proteins

4.Quaternary structure of proteins

Which of the following proteins exist in their quaternary structure

1.Myoglobin

2.Haemoglobin

3.Globulin

4.Both 1 and 2

10  How many heme groups are present in Haemoglobin

1.2

2.1

3.4

4.3

How many polypeptide subunits are present in Haemoglobin

1.2

2.1

3.3

4.None of these

Which of the following is true about primary metabolites?

1.compounds which are products of essential pathways of plants

2.Universally present in all plant kingdom

3.It’s absence leads to death of plant cell

4.All of the above