Cells and organelles

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  • Created by: Anya
  • Created on: 13-04-15 16:53
What are eukaryotic cells?
Complex animal and plant cells
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What organelles do both plant and animal cells share?
Nucleus, lysosome, vesicle, ribosome, endoplasmic reticulum, golgi apparatus, centriole and mitochondrian
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What is the structure and function of a nucleus?
Nuclear envelope (double membrane), contains chromatin, pores allow substances to move between nucleus and cytoplasm
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What is the structure and function of a nucleolus?
Found in nucleus, makes ribosomes
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What is the structure and function of a ribosomes?
Made of small and large subunit, floats free or attached to rER, site where proteins are made
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What is the structure and function of rough ER?
Membranes enclosing fluid filled sacs covered in ribosomes, folds and processes proteins
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What is the structure and function of smooth ER?
Enclosing fluid filled space, synthesises and processes lipids
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What is the structure and function of mitochondria?
Double membrane, inner folded to form cristae with matrix, site of aerobic respiration, ATP produced
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What is the structure and function of centrioles?
Hollow cylinders, contain microtubules, helps seperates chromosomes during cell division
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What is the structure and function of lysosomes?
Round organelle, contains digestive enzymes, digests invading cells and breaks down old cell components
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What is the structure and function of golgi apparatus?
Fluid filled flattened sacs, vesicles seen close by, packs new lipids and proteins, makes lysosomes
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What do prokaryotic cells contain?
Cell wall, plasmid, cell membrane, flagellum, ribosome, DNA
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What do plant cells contain that nimal cells do not?
Cell wall, middle lammella, plasmodesmata, pits, chloroplasts, amyloplast, vacuole and tonoplast
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What is the structure and function of middle lamella?
Outermost layer, acts as adhesive, sticks to adjacent cells
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What is the structure and function of plasmodesmata?
Channels in cell walls, allow transport of substances between cells
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What is the structure and function of pits?
Regions where cell wall is thin, allows transport of susbtances
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What is the structure and function of chloroplast?
Flattened, double membrane tructuremembranes inside called thylakoid stacked up to form grana, site where photosynthesis takes place
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What is the structure and function of amyloplast?
Storage of starch grains, convert starch back to glucose when required
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What is the structure and function of vacuole and tonoplast?
Vacuole is a compartment surrounded by tonoplast membrane, vacuole contains cell sap, keeps it turgid and is involved in breakdown of unwanted chemicals, tonoplast controls what enters and leaves
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Other cards in this set

Card 2

Front

What organelles do both plant and animal cells share?

Back

Nucleus, lysosome, vesicle, ribosome, endoplasmic reticulum, golgi apparatus, centriole and mitochondrian

Card 3

Front

What is the structure and function of a nucleus?

Back

Preview of the front of card 3

Card 4

Front

What is the structure and function of a nucleolus?

Back

Preview of the front of card 4

Card 5

Front

What is the structure and function of a ribosomes?

Back

Preview of the front of card 5
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