Growth at different levels, Biology

GROWTH AT DIFFERENT LEVELS -

1.      Molecular level - It involves synthesis of new molecules and their aggregation into organellae.

2.      Cellular level - It includes -

(i) Expansion or hypertrophy - Increases in the size of cell due to addition of protoplasm.

(ii) Cell division (Hyper plasin) - Increase in the number of cells.

(iii) Cell differentiation - formation of tissue and organs.

(iv) Matrix formation - addition of apoplasmatic substance as matrix of connective tissue, inercellular fluid.

3.      Individual level - Visible increase in body dimension.

Posted Date: 10/4/2012 5:45:39 AM | Location : United States







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