Water and oxygen are necessary for the enzymes to break down the seed's reserves. The seed cells enlarge. Seed respiration increases. The seed metabolic rate increases. Protein synthesis increases.
Gibberellins cause enzymatic activity.
Enzymes change starch in the seed's reserves to sugar. The embryo breaks through the seed coat. The root and shoot elongate. Report any problems, comments or suggestions to the Webmaster . This activity has been accessed times.