Biology B1

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What feature IS NOT common to all types of cell (both animal and plant)?
Cellulose cell wall
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What is the function of mitochondria in animal cells?
structures in the cytoplasm where AEROBIC RESPIRATION takes place, releasing energy from the cell
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What is the function of cytoplasm?
liquid gel which the organelles are suspended and where most chemical reactions take place (needed for life)
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What is the PERMANENT VACUOLE?
is a space in the CYTOPLASM filled with CELL SAP. Important for keeping the cells rigid for support
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What are Eukaryotic Cells?
Complex cells, which include animal and plant cells
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What are Prokaryotic Cells?
Small, simple cells such as bacteria
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Name one difference between Eukaryotic and Prokaryotic cells
In Eukaryotic cells, the genetic material is enclosed in a nucleus whereas in Prokaryotic cells, the DNA loops freely in the cytoplasm
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As an organism develops, what does it do in order to form different types of cell?
Differentiate
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Examples of specialised cells include...
Nerve cells, muscle cells and sperm cells
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What do Prokaryotes contain which Eukaryotes do not?
Extra small rings of DNA called Plasmids, and sometimes a flagella and slime capsule
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What is DIFFUSION?
The spreading out of particles from an area of HIGHER concerntration to an area of LOWER concerntration down a CONCERNTRATION GRADIENT
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What is the rate of diffusion effected by?
Difference in concerntration, temperature, available surface area
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Diffusion happens between...
The cell membrane
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What is Osmosis?
The movement of WATER from a dilute to a more concerntrated solute solution through a partially permeable membrane
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What is ISOTONIC?
where the concerntration is the SAME inside and out
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What is HYPERTONIC?
where the concerntration of the solution outside the cell is HIGHER than inside
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What is HYPOTONIC?
where the concerntration of the solution outside the cell is LOWER than inside
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What is ACTIVE TRANSPORT?
moves substances from a dilute solution to a more concerntrated solution AGAINST a concerntration gradient
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What does active transport require in order for it to take place?
Energy from respiration
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Card 2

Front

What is the function of mitochondria in animal cells?

Back

structures in the cytoplasm where AEROBIC RESPIRATION takes place, releasing energy from the cell

Card 3

Front

What is the function of cytoplasm?

Back

Preview of the front of card 3

Card 4

Front

What is the PERMANENT VACUOLE?

Back

Preview of the front of card 4

Card 5

Front

What are Eukaryotic Cells?

Back

Preview of the front of card 5
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