Packaging of DNA Helix
The average distance between two nucleotide in DNA is 3.4 A. Le…
A simple experiment can be conducted to demonstrate that xylem i…
Colchicum autumnale : The corms yield an alkaloids called colchi…
Water plays important role in the life of plants. It is essentia…
The outermost covering of the seed is seed coat. The seed coat h…
Monocot seeds are endospermic but in some as in orchids seeds ar…
Pteridophytes are the primitive tracheophytes. They are the non …
The pteridophytes are classified into fallowing four classes Cla…
General characters 1. Constitute a unique kingdom of heterotroph…
Cyanobacteria(Blue-green algae) are both useful and harmful to m…