Jain Biology

Author(s): Jethalal S Zaveri, Mahendramuni
Publisher: Jain Vishva Bharati

Page 22

Comparison of Plant and Animal Cell
PLANT CELL
ANIMAL CELL
|(i) Cell wall of cellulose present
external boundary to cellmembrane
(i) Cell-wall absent. Protoplasm
bounded only by cell membrane
(ii) Plastids present
(ii) Plastids absent
(iii) Vacuoles in old cells | (iii) Vacuoles rarely seen PROTOPLASM AND ITS COMPOUNDS
The cell is a mass of living substance called protoplasm, bounded by a thin, delicate plasma membrane. The protoplasm of a cell contains a phenomenal number of molecules, organic and inorganic. According to Hofmeister, a rough estimate of the number of molecules in a single liver cell is— Proteins
53,000 x 10 Lipids
165,000 x 10 Small molecules
2.900,000 x 10 Water
225,000,000 x 10
Cell
Cell wall (in plant cells)
Protoplasm
Cytoplasm
Nucleus Chromosomes Nucleoli
Organelles
Storage Plastids (in plant cells) reserve and Mitochondria
waste products Endoplasmic reticulum Ribosomes Golgi complex Lysosomes Centrosomes (in most animal cells)
JAIN BIOLOGY Jain Education International
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