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Slide 1

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Animal Cell ultra structure
Click on an
organelle to find
out more...…read more

Slide 2

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Return to cell ultra
Contains chromosomes which
contain the DNA from which mRNA
is made that controls the
synthesis of proteins
Enclosed by an envelope (nuclear
envelope) composed of two
membranes with nuclear
microscopic pores in, of which
only the mRNA can move in and
out of
A dense body found within the
nucleus where ribosomes are
made…read more

Slide 3

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Return to cell ultra
Rough Endoplasmic Reticulum (rER)
Proteins are made by the ribosomes surrounding the rER and are transported
through the ER to other parts of the cell (Golgi apparatus)
rER is a system of interconnected membrane-bound, flattened sacs with ribosomes
attached to the outer surface, hence its name `rough'…read more

Slide 4

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Smooth Endoplasmic Reticulum (sER) Return to cell ultra
Transports proteins throughout its network structure
(`reticulum') within the cell cytoplasm (`endo') but
has no ribosomes attached to its outer surface,
hence it is `smooth'
Involved in the synthesis of lipids, carbohydrate
metabolism and detoxification of drugs & poisons…read more

Slide 5

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Return to cell ultra
Small organelles made of RNA and protein,
found free in the cytoplasm or attached to
endoplasmic reticulum (rER)
Ribosomes are the site of protein synthesis…read more

Slide 6

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Return to cell ultra
Golgi Apparatus
Modifies proteins and packages them in vesicles for transport
Stacks of flattened, membrane-bound sacks formed by fusion of vesicles from the
rER…read more

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