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#Question id: 19286


scale of ovulate (ovule-bearing) pinecone 

#Unit 9. Evolution & Diversity of Life Forms
  1. male gametophyte
  2. female gametophyte 
  3. male sporophyte 
  4. female sporophyte

Answer:- Option(s): 4


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TLS Online TPP Program

#Question id: 28272

#Unit 5. Developmental Biology

sulfate-containing polysaccharides in the egg jelly is responsible for___ 

TLS Online TPP Program

#Question id: 28273

#Unit 5. Developmental Biology

In sea urchins, the acrosome reaction is initiated by_____

TLS Online TPP Program

#Question id: 28274

#Unit 5. Developmental Biology

In case of sea urchin (Strongylocentrotus purpuratus), the acrosome reaction is initiated by_____

TLS Online TPP Program

#Question id: 28275

#Unit 5. Developmental Biology

 what will happened when sulfated polysaccharide binds to its receptor on the sperm____ 
a) activates CatSper calcium channel
b) activates sperm membrane calcium transport channel
c) activates sperm membrane sodium-hydrogen exchanger
d) activates sperm membrane phospholipase enzyme

TLS Online TPP Program

#Question id: 28276

#Unit 5. Developmental Biology

polymerization of G-actin molecules into F-actin by small G-protein which is?

TLS Online TPP Program

#Question id: 28277

#Unit 5. Developmental Biology

Species-specific binding on the vitelline envelope of sea urchin eggs through___

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