Structure: Double layer of phosphlipid containing protein molecules
Function: Forms a boundary to the cell and controls the entry/exit of molecules
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Nucleus
Structure:A large organelle surrounded by a nucleur envelope with pores. Contains a nucleolus and chromatin
Function: Where chromatin is made from proteins and DNA. The pores allow substances to diffuse from/into cytoplasm. Nucleoulous is where ribosomes are made
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Rough endoplasmic reticulum
Structure: A system of membrane bound flattened channels with ribosomes covering it's outer surface
Function: Folds and processes proteins made at the ribosomes
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Lysosome
Structure: A small, round organelle bound by a single membrane containing digestive enzymes
Function: Digest invading cells and break down worn out components
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Smooth endoplasmic reticulum
Structure: A system of membrane bound flattened channels
Function: Synthesises and processes lipids
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Vesicle
Structure: A small fluid filled sac in the cytoplasm
Function: Transports substances in and out the cell
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Mitochondria
Structure: A double membrane, the inner one is folded to form structures called cristea. Inside is matrix, containing enzymes involved in repsiration
Function: The site of aerobic repsiration, where ATP is produced
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Golgi apparatus
Structure: A group of fluid filled flattened sacs
Function: Modifies proteins and packages them in vesicles for transport
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Centrioles
Structure: Hollow cylinders, containing a ring of microtubules
Function: Forms a spindle like structure of protein fibres on which chromosomes move during nuclear division
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Ribosomes
Structure: Very small organelles composed of a large and small subunit
Function: Carries out protein synthesis by joining amino acids together
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