Which of these statements is true about the secondary structure of proteins?

Which of these amino acids do not possess a chiral carbon?

Which among the following does not affect the activity of the enzyme after a particular point?

Which of these is a physical process?

Structure of molecules in physics refers to the __

Which of these proteins is a secondary metabolite?

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

Which among the following is incorrect about RNA?