1.

Question : Define hormone. Write any four characteristics of hormones in humans.

Answer»

Solution :Hormones are the chemical substances which co-ordinate and control the ACTIVITIES of living organisms and also their GROWTH.
CHARACTERISTICS of hormones are :
(i) They are chemical MESSENGERS
(ii) Regulate behaveour of target cells.
(iii) They STIMULATE the teragetorgans.
(iv) They are proteinaceous or non - proteinaceous in nature.


Discussion

No Comment Found