Cell Organelles

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  • Created by: jaaaz_v
  • Created on: 01-11-15 14:06
In prokaryotic cells, the cell wall is made from...?
Peptidoglycan
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The internal membranes inside chloroplasts form flattened sacks - what are these sacks called?
Thylakoids
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What is exocytosis?
When materials are transported out of the cell via secretory vesicles
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What are lysosomes?
Specialised forms of vesicles containing hydrolytic enzymes (digestive enzymes)
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During transcription, why is information from DNA copied onto RNA?
DNA is too large to leave the nucleus so its information is copied onto RNA which is small enough to leave through the nuclear pores
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The fluid interior of mitochondria is called?
The matrix
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What are microtubules?
A component of the cytoskeleton that forms a scaffold like structure that determines the shape of the cell
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What is the name of the dark region within the nucleus?
The nucleolus
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What is the difference in structure between the smooth endoplasmic reticulum and the rough endoplasmic reticulum?
The rough ER has ribosomes attached to it, and the smoothh ER does not
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What kind of arrangement do the microtubules in cilia have?
A 9+2 arrangement
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Where are proteins synthesised?
On the ribosomes bound to the endoplasmic reticulum
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I'm an organelle found in plant cells. I contain an inner membrane that's arranged in flattened sacs. Which organelle am i?
The chloroplast
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What are histones and whats there relevance?
Histones are proteins that form chromatin
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Why are chloroplasts only found in plant cells?
Because they're the sight of photosynthesis
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How is DNA arranged in prokaryotes and eukaryotes?
Prokaryotes - circular Eukaryotes - linear
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How is the size of ribosomes in prokaryotic cells determined?
Its determined by the rate in which they settle or form a sedimate in solution
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Other cards in this set

Card 2

Front

The internal membranes inside chloroplasts form flattened sacks - what are these sacks called?

Back

Thylakoids

Card 3

Front

What is exocytosis?

Back

Preview of the front of card 3

Card 4

Front

What are lysosomes?

Back

Preview of the front of card 4

Card 5

Front

During transcription, why is information from DNA copied onto RNA?

Back

Preview of the front of card 5
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