Primary Structure of Protein

Q.

A peptide bond is formed between which amino acids?

1. 2 and 4

2. 2 and 3

3. 1 and 2

4. 1 and 3

Q. Study the image given below and select the correct statement.

1. The protein contains 15 amino acids
2. The left end of the chain is C-terminal
3. The right end of the chain is N-terminal
4. The left end of the chain is N-terminal

Q. In a polysaccharide (like glycogen), the right end and left end are called

1. N terminal and C terminal, respectively
2. C terminal and N terminal, respectively
3. reducing end and non reducing end, respectively
4. non reducing end and reducing end, respectively

Q. _____ are the most diverse molecules in the cell.

1. Carbohydrates
2. Lipids
3. Proteins
4. Vitamins and Minerals

Q.

Which of the following statement(s) is false, regarding Proteins ?

I. A protein is a heteropolymer but not a homopolymer.

II. Collagen is the most abundant protein in the animal world.

III. RUBISCO is the most abundant protein in the biosphere.

IV The first amino acid in a polypeptide chain is C- terminal amino acid and the last is N- terminal amino acid.

1. I only

2. II only

3. $ll\&lll$

4. IV