Which one of the following statements correctly defines active site?
a. the active site is a site on the enzyme molecule where specific substrate molecules bind.
b. the active site is a site on the substrate molecule where specific enzymes molecules bind.
c. the active site is a site on the substrate molecule where specific product molecules bind.

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Explain why phospholipid molecules form a bilayer. (3 marks)

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.