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Fiighting Disease (Microscopy (Equipment (Slide, Pencil, Microscope),…
Fiighting Disease
Microscopy
Types
Light
Form
Image of a specimen
Magnify
Use
Lenses
Light
See
Large subcellular structures
Nuclei
Individual cells
Electron
Use
Electrons
Form
Image
See
Smaller things
Ribosomes
Plasmids
More detail
Internal structure of
Mitochondria
Chloroplasts
Equation
Magnification
Image Size/Real Size
Equipment
Slide
Pencil
Microscope
Exchanging Substances
Diffusion
Area of high concentration to an area of low concentration.
Villi
Rates of Diffusion
Net Movement = Particles Moving In - Particles Moving Out
Osmosis
Water
Active Transport
Against the concentration gradient
Area of low concentration to an area of high concentration
Requires energy
Organisms
Can be
Prokaryotic
Single-Celled Organism
Bacterial Cells
No
Mitochondria
Nucleus
Singular strand of DNA
That floats freely in the cytoplasm
May also contain one or more small rings of DNA called plasmids
Chloroplasts
Cell Wall
Cell Membrane
Cytoplasm
Eukaryotic
Complex
All Animal Cells
Cell Membrane
.
Mitochondria
.
Cytoplasm
.
Ribosomes
.
Nucleus
.
All Plant Cells
Rigid Cell Wall
Permanent Vacuole
Chloroplasts
(All Animal Cell Subcellular Structure)
All living things are made up of cells
Specialised
Types
Root Hair
Absorbing
Water
Minerals
Phloem
Transporting Substances
Muscle
Contraction
Nerve
Rapid Signalling
Xylem
Transporting Substances
Sperm
Reproduction
Specialised Cells
Palisade Cell
Packed with chloroplasts
To absorb light and synthesize glucose
Tall and has a large surface area
To absorb light and CO2
Shaped like a rectangle
Designed for photosynthesis
Xylem Cell
No nucleus or cytoplasm
Ring structures are made of lignin
Very thick cell wall
Found in the stem, roots and leaves
Designed to transport substances
Sperm Cell
Head contains enzymes
Allows it to digest into an egg cell and join with it.
Long tail that provides mobility
Allows it to swim and find an egg cell
23 Chromosomes
Found in the testes
Designed to swim