The reaction of glucose with acetic anhydride conforms the presence of how many hydroxy groups in glucose?

Which of the following amino acids is optically inactive?

Proteins are ___

The reaction of glucose with NH2OH gives ___

Enzymes are basically __

Fructose exists as both pyranose and furanose structures.

Deficiency of vitamin K increases the blood clotting time.

The primary structure of protein is unaffected by denaturation.