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AQA Biology 12.1 cellular organisation
Karten in diesem Stapel (14)
- 1what are similar cells grouped together to form?tissues
- 2what are tissues grouped together to form?organs
- 3what are organs combined to form?systems
- 4what is cell differentiation?each cell becomes specialised in structure to suit its function
- 5how does a cell differentiate?every cell contains the genes needed for it to develop into any one kind, but only a few of these genes are turned on, the rest are switched off.
- 6what is the term for when a gene is switched on?expressed
- 7along with the shape of a cell, what does differentiation also vary?the number of each organelles
- 8give an example of two cells containing different numbers of organellessperm cell = lots of mitochondria
bone cell = very few mitochondria - 9what is a tissue?a collection of similar cells that perform a specific function
- 10what are two examples of tissues?- epithelial tissues
-xylem - 11what is an organ made up off?a combination of tissues that perform different functions
- 12which blood vessels are considered organs?veins and arteries
- 13which blood vessel is not considered an organ?capillaries
- 14what are three systems?-digestive system
-respiratory system
-circulatory system
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- AS - Level AS Biology (unit 2 - 12. cellular organisation ) Karteikarten am AQA Biology 12.1 cellular organisation, erstellt von Charlotte Hewson am 26/03/2015.
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