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Biological Sciences AllOther (236) In the angiosperm ovule,central cell of the embryosac,prior to the entry of the pollen tube,contains?
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Give an example for electrophilic substitution reaction?
Explain the pleomorphism in bacteria ?
What is meant by suction force of the plant cell?
Since pepsin is a gastric enzyme does it, has acid or basic optimum ph? What happen to pepsin when it passes to the duodenum?
What is the main difference between a bird heart and a mammalian heart?
Name the fungus attracting ants and smelling very foul and rotten?
What do energy pyramids represent?
Explain how many bones in the human face?
Explain the term 'windows'?
Name the two things that enter the cell for cellular respiration?
What are the major uses of hexachlorophene, chlorhexidine, and triclosan as agents for controlling microorganisms?
Explain why is it important to be familiar with the laboratory apparatus and their uses?
Explain the importance of species of the molds Ustilago and Claviceps in medicine.
What is numeric pyramid?
How is operation theatre sterilized?