GCSE Cell Biology Keywords

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  • Created by: Meher S
  • Created on: 18-05-18 17:01
Cells
All living things are made out of cells.
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Eukaryotic
A complex cell which contains a nucleus.
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Prokaryotic
A small simple cell without a nucleus.
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Nucleus
Contains the genetic information so controls the activities of the cell.
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Cytoplasm
Gel-like substance where most chemical reactions take place.
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Cell Membrane
Controls what goes in and out of the cell.
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Mitochondria
Where respiration happens
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Ribosomes
Where protein-synthesis takes place.
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Cell Wall
Gives strength and support to plant and bacteria cells
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Vacuole
Found in plant cells, contains cell sap to give strength to the cell
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Chloroplasts
Found in plant cells, contains chlorophyll for photosynthesis.
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Respiration
The chemical reaction which releases energy from glucose.
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Photosynthesis
Plants use light energy to convert carbon dioxide and water into glucose and oxygen.
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Plasmids
Circular DNA found in bacteria
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Microscope
Allows us to see things we can't see with the naked eye.
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Magnification
Magnification= Image size/ real size
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Differentiation
The process by which a cell becomes specialised for its job.
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Stem cell
An undifferentiated cell which can differentiate into many different types of cells
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Specialised cell
A cell that performs a specific function
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Chromosomes
Long, coiled molecule of DNA found in the nucleus
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Mitosis
Type of celll division where two identical daughter cells are produced from one parent cell.
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Binary fission
Type of cell division carried out by bacteria cells.
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Diffusion
The spreading out of particles from an area of higher concentration to an area of lower concentration.
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Osmosis
The movement of water across a partially permeable membrane from a region of higher water concentration to an area of lower water concentration
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Active Transport
The movement of particles against a concentration gradient (from an area of lower concentration to an area of higher concentration), requires energy.
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Multicellular
An organism made up of more than one cell
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Alveoli
Tiny air sacs in the lungs, where gas exchange happens.
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Villi
Tiny projections found on the inside of the small intestine, increasing the surface area for the last absorption of nutrients.
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Stomata
Tiny holes found on the underside of leaves, for gas exchange.
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Guard cells
Found on either cell of the stomata, controls the size of the stomata.
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Gills
The gas exchange surface found in fish.
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Other cards in this set

Card 2

Front

A complex cell which contains a nucleus.

Back

Eukaryotic

Card 3

Front

A small simple cell without a nucleus.

Back

Preview of the back of card 3

Card 4

Front

Contains the genetic information so controls the activities of the cell.

Back

Preview of the back of card 4

Card 5

Front

Gel-like substance where most chemical reactions take place.

Back

Preview of the back of card 5
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