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 Multiple Choice QuestionsShort Answer Type

51.

What is an amino acid? Give one example.

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52.

Write the structural formula of a Zwitter ion.

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53.

How do amino acids form proteins?


Proteins are the polymers of α-amino acids and they are connected to each other by peptide bond or peptide linkage. Therefore, ehen α-amino acids undergo condensation reaction between amino group of one acid and carboxylic group of another acid proteins are formed.



 

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54.

What are the monomers constituting proteins?

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55.

In what respect would any two naturally occurring amino acids differ from one another?

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56. Describe the bonds responsible for the primary structure of proteins.
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57.

Describe the bonds responsible for the secondary structure of proteins.

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58.

Name two important secondary structural forms for a protein.

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59.

What type of bonding helps in stabilising the α-helix structure of proteins?

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60.

What type of bonding occurs in β-pleated sheet?

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