Tuesday, 19 February 2013


BIOLOGY
Chapter 2 : comparison between Animal & plant cell

Ø Similarities :
Both cell have :
Nucleus ,  cytoplasm , plasma membrane , mitochondrion , golgi apparatus , ER and ribosomes

Ø Differences :
                                   i.            Plant Cell have cell wall while animal cell does not have cell wall.
STRUCTURE
ANIMAL CELL
PLANT CELL
SHAPE
IRREGULAR SHAPE
FIXED SHAPE
CELL WALL
NO CELL WALL
HAVE CELL WALL
VACUOLE
NO VACUOLE, IF PRESENT VACUOLE  ARE TOO SMALL
LARGE CENTRAL VACUOLE
CHLOROPLAST
NO CHLOROPLAST
HAVE CHLOROPLAST
CENTRIOLE
HAVE CENTRIOLE
NO CENTRIOLE
FOOD STORAGE
IN FORM OF GLYCOGEN
IN FORM OF STARCH


CELL STRUCTURE AND CELL ORGANISATION


TYPE OF CELL
FUNCTION
ORGANELLES FOUND ABUNDANTLY
SPERM CELL
NEED ENERGY TO MOVE TOWARDS Fallopian tube during fertilisation

mitochondrion
Muscle cells
Need energy to contract and relax to enable movement

mitochondrion
Cell in meristem
Need energy during cell division

mitochondrion
Palisade mesophyll cell
Absorb sunlight during photosynthesis

chloroplast
Pancreatic cells & cells in salivary gland
Synthesis & secrete enzyme
Golgi apparatus
ribosome
Rough ER
Liver cells
Detoxification of drugs and poisons
Smooth Er




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