(a) Write foil form of DNA. (b) Why are variations essential for the species ? (CCE 2011)
Updated 1/17/2026
Name two hormones secreted by pancreas. Write one function of each hormone named.
Updated 1/17/2026
What is neuron?
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What is speciation?
Updated 1/17/2026
What is geographical isolation? (b) Illustrate formation of a species with the help of an example where individuals are very different from each other and are capable of reproduction among themselves.
Updated 1/17/2026
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