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  • Carrageenan, a jelly like substance is derived from marine algae known as  Option: 1 Kelp  <div class='qna-opti

Carrageenan, a jelly like substance is derived from marine algae known as
 

Option: 1

Kelp
 


Option: 2

Flagellates
 


Option: 3

Irish moss
 


Option: 4

Diatoms
 


Answers (1)

best_answer

 

 

Rhodophyceae -

  • The members of Rhodophyceae are commonly called red algae. Eg. Polysiphonia, Porphyra, Gelidium etc. 
  • They mostly live in warmer marine waters.
  • The thallus is usually multicellular and some even have complex organization.
  • Cell wall contains cellulose and pectin along with phycocolloids and carrageenan.
  • They have chlorophyll a and d. 
  • The red colour is due to R-Phycoerythrin. 
  • It also has a phycocyanin. 
  • Due to the presence of Phycoerythrin they can grow in deep waters where other algae cannot grow.
  • The reserve food is Floridean Starch which is similar to amylopectin and glycogen. 

 

 

 

 

Carrageenan is obtained from rhodophyceae.

Posted by

shivangi.bhatnagar

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