(i) Functions (a) It is required for the synthesis of tryptoph | Agriculture Exams Library

(i) Functions
(a) It is required for the synthesis of tryptophan which is a precursor of indole acetic acid-an auxin.
(b) It is a constituent of enzymes like carbonic anhydrase, hexokinase, alcohol dehydroge-nase, lactic dehydrogenase and carboxypeptidase.
(c) It is required for metabolism of phosphorus and carbohydrates.

(6) Boron

(i) Functions

(a) It facilitates the translocation of sugars.
(b) It is involved in the formation of pectin.
(c) It is also required for flowering, fruiting, and photosynthesis and nitrogen metabolism.

(7) Chlorine

(i) Functions

(a) It is required for photolysis of water during photosynthesis in photosystem-II.
(b) In tobacco, it increases water volume inside the cell and also regulates carbohydrate metabolism.
(c) With Na+ and K+, chlorine helps in determining solute concentration and anion cation balance in the cells.