Which of these is the second step of an enzymatic reaction?

Which among the following is incorrect about amino acids?

What percentage of the total cellular mass is water?

The dynamic state of constituents of the body is the _____

How many levels of organization do proteins have?

Which of these is not a part of the macromolecular fraction of a cell?

Which of the following cells are not responsible for the formation of secondary metabolites?

Why do we use dry weights for the chemical analysis?