Thursday, August 19, 2010

Summer Assignment

Human beings have the diploid number of chromosomes which is 22 but the difference between a normal person and my sister is the fact that she has an extra chromosome.My sister has down syndrome which means that in her DNA she has an extra half of a chromosome.

The cuticle layer of a plant is layer that helps to limit water lose in plants.


Chitin is found in the in the outer skeletons of insects ,such as the grasshopper above.



Cellulose is found in the cell wall of plants and is the basic structural component of cell walls.




Anther and filament of stamen are the male reproductive organs of a flower the long stem part of this flower of this plant is the filament ,the thing on the top is the anther. Actin is in filaments ,their are along of filaments that make up the cytoplasm of eukaryote cells which are Green plants as represented above.











Abscinsic acid is a hormone that tells plants when to lose their leaves ,these trees every year fall off these trees in my backyard.
























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