What is the difference between enzymes, catalysts, and

Heyaa folk,

The main difference is that,

Enzymes are catalysts which are released by glands.

And hormones are chemicals which are released by glands.

Enzymes : Enzymes are macromolecular catalysts.

Hormones : Hormones are regulatory substances produced by glans.

Hope it helps u :)

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.