GCSE - Cells and Microscopes

Descrição

GCSE Biology FlashCards sobre GCSE - Cells and Microscopes, criado por Malachy Moran-Tun em 14-02-2019.
Malachy Moran-Tun
FlashCards por Malachy Moran-Tun, atualizado more than 1 year ago
Malachy Moran-Tun
Criado por Malachy Moran-Tun quase 6 anos atrás
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Resumo de Recurso

Questão Responda
The function of the Cell Wall Provides support and structure the cell
The function of the Cell Membrane Controls what enters and exits the cell
The function of the Nucleus Controls the cell (like the brain of the cell)
The function of the Cytoplasm Where chemical reactions occur
Eukaryotic Cells have _______ A Nucleus
Prokaryotic Cells have _______ No Membrane-Bound Organelles (Such as Nuclei)
The Function of the Bacterial Capsule Protection from other Substances (such as Stomach Acid)
The Function of the Bacterial Chromosomal DNA Controls the Cell without the Nucleus and contains DNA
The Function of the Bacterial Plasmid DNA Contains DNA that can be Passed between Bacterium and Genes for Resistance
The Function of the Bacterial Pili Sticks Cell to Host Cells or Surfaces
The Function of the Bacterial Flagella Tail-like Structure used for Movement (Spins)
The Function of the Ribosome Produces Protein from Amino Acids and Subunits
What Unit Uses "m"? Metres
What Unit Uses "mm" Millimetres
What Unit Uses "μm" Micrometres
What Unit Uses "nm" Nanometres
What Unit Uses "pm" Picometres
Order of Measurements Metre, Millimetre, Micrometre, Nanometre, Picometre
How do you get to Each Measurement Multiply by 1000 to go smaller Divide by 1000 to get bigger ( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)
Microscope Triangle / Microscope Calculation Size of Image ---------------------- Actual Size | Magnification Size of Image = Actual Size * Magnification
Name Four Adapted Structures in a Sperm Cell and Their Functions Acrosome - Contains Enzymes Haploid Nucleus - Contains Half of all Chromosomes Mitochondria - Releases Energy for Quick Movement Long Tail - Moves Side to Side to Move the Cell Forward ( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)
Name Four Adapted Structures in an Egg Cell and Their Functions Cytoplasm - Large Store of Nutrients for the Embryo Haploid Nucleus - Contains Half of all Chromosomes Cell Membrane - Hardens after Fertilisation Jelly Layer - Hardens after Sperm and Egg Nuclei Fuse ( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)
Name an Adapted Structure in a Ciliated Epithelial Cell and Their Functions Fine Hair-Like Exteriors - Sweep from Side to Side to Move Things across the Cell Surface
Name Factors of Light Microscopes Compared to Electron Microscopes Uses Light to see Specimens Lower Magnification Lower Resolution Cheaper Smaller Magnification of up to 2000x Lenses made of Glass Specimen can be Dead or Alive :O
Name Factors of Electron Microscopes Compared to Light Microscopes Higher Magnification Higher Resolution Extremely Expensive very cash money Very Large ( ͡° ͜ʖ ͡°) Uses Electrons to VIew Specimen Specimen need to be Deaded :O :( Operates under a Vaccum Lenses are made of Electromagnets
Name the Main Differences of Transmission Electron Microscopes (hoi im tem) and Scanning Electron Microscopes (SEM) TEM: Electrons Pass-Through Up to x1,000,000 Magnification Very Thinly Sliced Specimen 2D Images SEM: Electrons Bounce Off the Surface Specimen can be Thicker Up to x30,000 Magnification

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