4. (1) The sum total of all chemical reactions occurring in our body is metabolism (2) Metabolic reactions cannot be demonstrated outside the body in cell free systems Regarding 1 and 2:

Question

( a ) Both 1and 2 are incorrect
( b ) 1 is correct but 2 is incorrect
( c ) Both 1and 2 are correct
( d ) 1 is incorrect but 2 is correct