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PHS Biology
Cell Ultrastructure
33
Biology
12th Grade
11/18/2011

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Term
Nucleus
Definition
Controls the cells activities
Term
Nucleosomes
Definition
Site of RNA synthesis
Term
Golgi Apparatus
Definition
Processing and packaging of protein for secretion
Term
Endoplasmic Reticulum
Definition
Processing of proteins including the addition of non-protein parts
Term
Mitochondria
Definition
Site of Krebs cycle and Cytochrome system
Term
Microvilli
Definition
Increase surface area for aborption
Term
Centrioles
Definition
Produce microtubules (such as Spindle fibres)
Term
Endomembranes
Definition
Compartmentalise different part of the cytoplasm
Term
Microbodies
Definition
Packages produced by Golgi Apparatus and ER
Term
Lysosomes
Definition
Contain digestive enzymes
Term
Cytoskeleton
Definition
Network of protein fibres that act as scaffolding
Term
Ribosomes
Definition
Site of protein sysnthesis
Term
Nuclear Membrane
Definition
Envelopes the Genetic material (DNA)
Term
Chloroplasts
Definition
Site of photosynthesis
Term
Vacuole
Definition
Regulation of cell turgidity and store of sugar and ions and pigments
Term
Nucleus
Definition
Controls the cells activities
Term
Nucleosomes
Definition
Site of RNA synthesis
Term
Golgi Apparatus
Definition
Processing and packaging of protein for secretion
Term
Endoplasmic Reticulum
Definition
Processing of proteins including the addition of non-protein parts
Term
Mitochondria
Definition
Site of Krebs cycle and Cytochrome system
Term
Microvilli
Definition
Increase surface area for aborption
Term
Centrioles
Definition
Produce microtubules (such as Spindle fibres)
Term
Endomembranes
Definition
Compartmentalise different part of the cytoplasm
Term
Microbodies
Definition
Packages produced by Golgi Apparatus and ER
Term
Lysosomes
Definition
Contain digestive enzymes
Term
Cytoskeleton
Definition
Network of protein fibres that act as scaffolding
Term
Ribosomes
Definition
Site of protein sysnthesis
Term
Nuclear Membrane
Definition
Envelopes the Genetic material (DNA)
Term
Chloroplasts
Definition
Site of photosynthesis
Term
Vacuole
Definition
Regulation of cell turgidity and store of sugar and ions and pigments
Term
Middle Lamella
Definition
Glues neighbouring cells together at the cell wall
Term
Plasmodesmata
Definition
Allow free exchange of materials between the cytoplasm of adjacent/neighbouring cells
Term
Cell Wall
Definition
Provides support and maintains cell shape while preventing excessive uptake of water
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