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12459217
BTEC Applied Science Biology
Description
Mind Map on BTEC Applied Science Biology, created by oliver keeys on 24/02/2018.
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oliver keeys
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Created by
oliver keeys
about 6 years ago
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Resource summary
BTEC Applied Science Biology
Microscopy
Light Microscopy
Uses visible light and magnifying lenses to observe small objects
Can observe sub-cellular structures
Has a low magnification of X500
Electron Microscopy
Use a beam of electrons in a caccum with a wavelength of less than 1 nm to visualise the specimen
X500000 magnification and a high resolution
Can destroy sample
Magnification = Size of image ÷ Actual size
Animal Cell
Nuclues
Ribosome
Rough ER/ Smooth ER
mitrochondrion
Chloroplast
Golgi complex
Vacuole
lyosome
Plant Cell
Cell Wall
Chloroplast
Vacuole
Tonoplast
Amyloplast
Plasmodesmata
Pits
Bacteria Cells
Cell Wall
Capsule
Ribosomes
Nucleoid
Plasmid
Gram Staining
Gram positive
A Purple stain when observing the smear under a microscope it shows that Gram positive bacteria are present
Gram negative
A pink stain as their thinner cell walls and lipid membranes allow ethanol
Application of crystal violet
Application of iodine
Alcohol wash
Application of safranin
Specialised cells
Root hair cell
Cell membrane
Root hair
Cell wall
Cytoplasm
Vacuole
Sperm cell
Head
nuclues
Mitochondrion
Undulipodium
Neck
Acrosome
Middle piece
Palisade mesophyll cell
Cell wall
Cell membrane
Cytoplasm
nuclues
Vaculoe
chloroplast
Egg cell
Corona radiata
nucleus
cytoplasm
zona pelluccida
Red blood cell
Membrane
Haemoglobin
White blood cell
Neutrophill
Multi-lobed nucleus
Granulated cytoplasm
Epithelial tissue
Squamous epithelial tissue
Lines organs and surface
Rapid diffusion of oxygen
Ciliated columnar epithelial tissue
Lines trachea
Sweeps away pathogens
Endothelial tissue
Lines heart and blood vessels
Provides Short diffusion
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