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Q. How different are pteridophytes from bryophytes regarding substance transport?
Pteridophytes are tracheophyte (vascular) plants that are they have tissues specialized in conduction of nutrients and water. Bryophytes are nonvascular plants and in pteridophytes thus the substance transport is done in bryophytes and through vessels that transport occurs by diffusion.
Explain Antigens ? A blood type, or group, is based upon the presence or absence of certain substances called antigens on the surface of the red blood cells. Antigens are subs
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CELLULOSE It is a linear polymer of b -D-glucose. It is the structural polysaccharide of plant cell walls, walls of some primitive fungi, some protists, and tunic of asci
separation of nucleic acid
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WHAT IS THE TYPICAL REPRODUCTION CYCLE OF A DNA VIRUS
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