What are all living things made up of?
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Cells can either be...
Prokaryotic or Eukaryotic
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What are Prokaryotic Cells?
Prokaryotic Cells are smaller and simpler. E.g. Bacteria
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What are Eukaryotes Cells?
Eukaryotic Cells are complex and include all animal and plant cells. Eukaryotes are organisms that are made up of eukaryotic cells.
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Contains genetic material that controls the activities of the cell.
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gel-like substance where most of the chemical reactions happen. It contains enzymes that control theses chemical reactions.
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Cells Membrance?
holds the cell together and controls what goes in and out.
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these are where most of the reactions for aerobic respiration.
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these are where proteins are made in the cell.
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Rigid Cell Wall?
made of cellulose. It supports the cell and strengthens it.
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Permanent Vacuole?
contains cell sap, a weak solution of sugar and salts.
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these are where photosynthesis occurs, which makes food for the plant. They contian a green substance called chlorophyll, which absorbs the light needed for photosynthesis.
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Name all the different parts in a animal cell.
Nucleus, Cytoplasm, Cell Membrane, Mitochondria, Ribosomes.
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Name all the different parts in a plant cell.
Nucleus, Cytoplasm, Cell Membrane, Mitochondria, Ribosomes, Rigid Cell Wall, Permanent Vacuole, Chloroplasts.
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What is the equation for Magnification?
Magnification = Image Size / Real Size
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What is Differentiation?
Differentiation is the process by which a cell changes to become specialised for its job.
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What are undifferentiated cells called?
Stem Cells
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What are Sperm Cells specialised for? and what is its function ?
Reproduction. Function - The function of a sperm is to get the male DNA to the female DNA. (It has a long tail and a streamlined head to help it swim to the egg.)
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What are Nerve Cells specialised for? and what is its function?
Rapid Signalling. Function - The fuction of the nerve cell is to carry electrical signals from one part of the body to another.
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What are Muscle Cells specialised for? and what is its function?
Contraction. Function - The fuction is to contract quickly.
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What are Root Hair Cells specialised for?
absorbing Water and Minerals.
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What are Phloem and Xylem Cells specialised for?
Transporting Substances.
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What are Chromosomes?
Chromosomes contain genetic information.
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What is the stage of the cell cycle called when the cell divides?
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What is the Cell Cycle?
The cell cycle makes new cells for growth, development and repair.
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What is Binary Fission?
Binary Fission is where Prokaryotic cells can reproduce using a simple cell division.
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What are some people against stem cell research?
1) feel that human embryos shouldnt be used for experiemnts since each one is a ptential human life. 2) Others think that curing existing patients who are suffering is more important that the right of embryos. ect...
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What is Diffusion?
Diffusion is the spreading out of particles from an area of higher concentration to an area of lower concentration. Diffusion happens in both solutions and gases.
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What is Osmosis?
Osmosis is the movement of water molecules across a partially permeable membrane from a region of higher water concentration to a region of lower water concentration.
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What is Active Transport?
Active Transport allows the plant to absorb minerals from a very dilute solution.
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Give one way in which alveoli are adapted for gas exchange.
- they have a large surface area, - they have a moist lining for dissolving gases, - they have very thin walls, they have a good blood supply.
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Card 2


Cells can either be...


Prokaryotic or Eukaryotic

Card 3


What are Prokaryotic Cells?


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Card 4


What are Eukaryotes Cells?


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