Approximately how many Kg of carnivore production can be supported by a field plot containing 2000 Kg of plant material?

#Question id: 5663

#Unit 5. Developmental Biology

Following statements are related to slow block to polyspermy in mammals.

A. A First slow block to polyspermy comes When the cortical granules fuse with the egg cell membrane, they release protein-digesting enzymes which is called as ovastacin that modify the zona pellucida proteins.

B. A second slow block to polyspermy comes from the so-called zinc spark, the release of billions of zinc ions that is induced by the entry of the first sperm, these released zinc ions are seen to bind to the egg cell membrane form a “zinc shield” that prevents further sperm entry.

C. A third slow block to polyspermy occurs at the level of the egg cell membrane and involves Juno.

Which of the following is incorrect?

#Question id: 16146

#Unit 4. Cell Communication and Cell Signaling

#Question id: 12035

#Unit 7. System Physiology – Animal

#Question id: 9602

#Unit 9. Diversity of Life Forms

The legless condition that is observed in several groups of extant reptiles is the result of 

#Question id: 12713

#Unit 6. System Physiology – Plant