Write one difference between binary fission and budding.

Write the palindromic sequence that EcoRI recognises.

Trace the route of Sporozoite of Plasmodium when it enters the human body through the bite of infected female Anopheles mosquito till its entry into the R.B.C.

Both nucellus and endosperm have abundant reserve food materials. How is their food reservoir utilised in angiosperms ?

What is a vaccine ? How do they act to provide long term immunity to an individual who is vaccinated ?