Which of these statements is false regarding primary metabolites?

Which of the following is the most abundant protein in the animal world.?

The distinct components of nucleotides are phosphate group, heterocyclic compound and polysaccharide. True or false?

What reaction is catalyzed by carbonic anhydrase?

Which of these is true about enzymes?

What percentage of the total cellular mass is water?

Which of these proteins is a secondary metabolite?

What is the function of GLUT-4?