Building blocks of proteins are amino acids and that of polysaccharides are monosaccharides. Many polysaccharides are called homopolymers but all proteins are known as heteropolymers. a) Do you agree with the above statement? Give reason.

Building blocks of proteins are amino acids and that of polysaccharides are monosaccharides. Many polysaccharides are called homopolymers but all proteins are known as heteropolymers. b) Give one example for a homopolymer.

The spores and gametes produced by some members of algae are non motile. Do you agree with the above statement? Give reason

Progesterone is called as pregnancy hormone. Do you agree? Give reason.

Which of the following statements are true? i) Rhamnose and deoxyribose are carbohydrates by their chemical behavior but cannot represented as hydrates of carbon ii) Formaldehyde and acetic acid do not behave like carbohydrate but can be represented by the general formula of carbohydrates, C_x(H_2O)_y iii) Raffinose on hydrolysis gives glucose and galactose only iv) Polysaccharides are also called non-sugars v) In disaccharides, if reducing groups of monosaccharides are bonded, they are non reducing in nature vi) Sorbose is an example of aldose

Consider the following statements concerning proteins I. All natural amino acids which are constituents of proteins, are alpha -amino acids. II. alpha -Amino acids are all optically active and have L-configuration. III. alpha -Amino acids are connected by ester linkages. IV. Favourable conformation for the peptide linkages in protein is the alpha -helix arrangement. Of these statements