Organelles(cell structure) are the functional unit of a cell their functions are as follows
1. NUCLEUS:- it's d largest cell organelle surrounded by two membrane(envelope).
D nucleus contains chromatin (chromosomes) which house d DNA which is organised into genes. Genes controls the activities of the cell.
The cell also contains the NUCLEOLUS that manufacture ribosomes.
2. CENTRIOLES:- centriole is found only in the animal cell, they grow into spindle fibres during nuclear division
3. ENDOPLASMIC RETICULUM(ER) :- they are two types of ER-the smooth ER and the Rough ER.
The rough ER have ribosomes attached to it while the smooth ER does not.
the rough ER help in transporting proteins formed by the attached ribosomes while the smooth ER makes lipid and steroids
4. GOLGI APPARATUS:- the apparatus collects, processes and sorts molecules ready for transport in GOLGI VESICLES.
5.LYSOSOMES:- they contain hydrolytic(digestive) enzymes which helps in breaking down unwanted substances
6. MITOCHONDRIAL :- it carries out the later stages of aerobic respiration which is making ATP.. they are referred to as the energy site they also involve in the synthesis of lipids
7. PLASMA MEMBRANE:- it controls the exchange between cell and its environment.
8. CILIA:- this organelle is also found in animal only. if they are just a few of them they are FLAGELLA.. They help in movement of cells
9. CELL WALL:- helps in keeping the cell rigid..it's present only in plant
10. CHloROPLAST:- site for photosynthesis and found only in plant
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