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  • In the life cycle of which group flagellated cells are not formed?  Option: 1 Chlorophyceae  <div class='qna-op

In the life cycle of which group flagellated cells are not formed?
 

Option: 1

Chlorophyceae
 


Option: 2

Phaeophyceae
 


Option: 3

Rhodophyceae
 


Option: 4

Both 1 and 3
 


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. 


  Red algae do not form motile gametes.

Posted by

Shailly goel

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