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  • Choose the incorrect statement regarding hormones  Option: 1 Hormones are non-nutrient chemicals. <

Choose the incorrect statement regarding hormones

 

Option: 1

Hormones are non-nutrient chemicals. 

 


Option: 2

Hormones do not provide energy or building materials but they do have effects on growth differentiation and metabolic activities

 


Option: 3

Hormones may accelerate or inhibit a specific physiological process.

 


Option: 4

Hormones are effective in high concentration.

 


Answers (1)

best_answer

 

 

Hormones: Discovery & Properties -

Discovery of Hormones:

  • English physiologist William M. Bayliss and Ernest H. Starling discovered the first hormone secretin in 1903. It is present in the intestinal mucosa.
  • The term hormone was introduced by Starling in 1905.

Properties of Hormones:

  • They are synthesized and secreted by endocrine cells 
  • Hormones are non-nutrient chemicals. 
  • They act as intercellular messengers and are produced in trace amounts.
  • Hormones are transported by the bloodstream from the endocrine cells to serve as ‘chemical messengers’ which act on target cells or organs.
  • Hormones do not provide energy or building materials but they do have effects on growth differentiation and metabolic activities of their target cells.
  • They have low molecular weight.
  • Hormones are effective in low concentration.
  • Excess or deficiency leads to disorders.
  • They may accelerate or inhibit a specific physiological process.
  • Hormones are often used up in their regulatory activities.


 

- Hence, the correct option is d

 

Posted by

HARSH KANKARIA

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