Processes that lead to communication and and coordination between cells.
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Difussion
net movement of of molecules in ions in a gas or liquid from an area of high concentration to an area where they are less concentrated
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Active transport
Movement of substances across membranes against their concentration gradient,requiring the use of energy in the form of ATP
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Endocytosis
Process of taking materials into a cell by by surrounding them with part of the plasma membrane,which ten pinches off to form a vesicle inside the cell
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Exocitosis
Process of removing materials from the cell by fusing vesicles containing the material with the plasma membrane
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Osmosis
Movement of water molecules from a region of higher water potential to a region of lower water potential acrossa partially permeable membrane
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Mitosis
Nuclear division that results in the formation of cells that are genetically identical to the parent cell
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Homologous pair of chromosomes
Chromosomes that have the same genes at the same loci
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Stem cell
Undifferentiated cells that are capable of becoming differenciated to a number of possible cell types
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Differentiation
Development and changes seen as they mature to form specialised cells
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Tissue
Group of similar cells that form a particular function
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Organ
Collection of tissues that work together to perform a specific overall function or set of functions within a multicellular organism
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Organ system
Group of organs that work together to perform a specific function
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Tidal volume
Volume of air in each breath
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Vital capacity
Maximum volume of air that can be breathed in and out
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Single circulatory system
A circulatory system in which blood flows through the heart once during each circulation of the body
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Double circulatory system
transport n which blood travels twice through the heart for each complete circulation of the body
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Open circulatory system
Circulatory system where the blood isn't enclosed in blood vessels all the time
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Closed circulatory system
Circulatory system where blood is enclosed in blood vessels
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Transpiration
Loss of water vapour from the aerial parts of a plant due to evaporation
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Meiosis
Nuclear division that results in the formation of cells containing half the number of chromosomes of the adult cells
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Other cards in this set
Card 2
Front
net movement of of molecules in ions in a gas or liquid from an area of high concentration to an area where they are less concentrated
Back
Difussion
Card 3
Front
Movement of substances across membranes against their concentration gradient,requiring the use of energy in the form of ATP
Back
Card 4
Front
Process of taking materials into a cell by by surrounding them with part of the plasma membrane,which ten pinches off to form a vesicle inside the cell
Back
Card 5
Front
Process of removing materials from the cell by fusing vesicles containing the material with the plasma membrane
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