Biology Cells

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Amylose
Part of starch molecule, containing many glucose molecules
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Anaphase
When chromatids pulled towards opposite poles of cell by spindle fibre
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Cell Signalling
communication and coordination between cells
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Centriole
Organelle from which spindle fibres develop during mitosis
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Centromere
Region of chromosome where two sister chromatids joined together and where spindle fibre attaches
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Channel Protein
Protein pore that spans membrane where small ions and water soluble molecules can pass
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Carrier Protein
Protein in membranes that carries ions through membrane by active transport
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Chromatin
Material staining dark red in nucleus during interphase, consists of nucleic acids and proteins + condenses into chromosomes during prophase
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Cristae
Folds found in inner membrane of mitochondria, stalked particles that contain ATP synthase found on cristae
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Cytokines
Hormone-like proteins produced by vertebrate cells used for communication between cells
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Cytoskeleton
Network of protein fibres and microtubules giving cell structure and responsible for material movement
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Endocytosis
Materials surrounded with part of membrane when entering, it then pinches off forming a vesicle in cell
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Ester bond
Formed when fatty acid molecules are joined to glycerol molecules in condensation reaction
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Facilitated diffusion
Passive movement of molecules across membrane down a concentration gradient, aided by carrier proteins
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Fatty Acid
Consists of a hydrocarbon (fatty) chain and a carboxylic acid group
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Fibrous protein
Long,thin structure, insoluble in water and has a structural role
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Globular protein
spherical molecule, soluble in water and has a metabolic role
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Glycerol
3-carbon molecule
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Golgi Body
Modifies proteins into glycoproteins and packages proteins to make lysosomes
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Haploid
Cell that has one copy of each chromosome
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Ionic bond
Attraction between oppositely charge ions
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Keratin
Fibrous protein found in skin,hair and nails
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Keratinocytes
Cells that make keratin
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Magnification
The number of time greater an image is than the object
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Microtubules
Components of cell cytoskeleton and are involved in mitosis
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Microvilli
Folds in membrane of cell
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Stem cells
Undifferentiated cells capable of becoming differentiated to a number of different cell types
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Thylakoid
Flattened membrane sacs in chloroplasts that hold pigments used in photosynthesis
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Triglyceride
Molecule consisting of a glycerol molecule and three fatty acid molecules
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Resolution
Ability to distinguish two separate points as different from each other
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Vesicle
Membrane-bound sac in cells
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Other cards in this set

Card 2

Front

When chromatids pulled towards opposite poles of cell by spindle fibre

Back

Anaphase

Card 3

Front

communication and coordination between cells

Back

Preview of the back of card 3

Card 4

Front

Organelle from which spindle fibres develop during mitosis

Back

Preview of the back of card 4

Card 5

Front

Region of chromosome where two sister chromatids joined together and where spindle fibre attaches

Back

Preview of the back of card 5
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