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Biology

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For short exams

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Flashcards 11
Language English
Category Biology
Level Secondary School
Created / Updated 21.08.2023 / 04.09.2023
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Hierarchical Organisation of Life

Atom, Molecule (DNA), Organelle (Nucleus), Cell (nerve cell/ neuron), Tissue (nervous tissue), Organ (brain), Organ System (nervous system), Organism (brown pelican), Population (group of brown pelicans), Community (all organisms on Florida coast), Ecosystem (Florida coast), Biosphere (earth)

Properties of life

Reproduction, Growth and development, Energy Processing, Regulation, Order, Evolutionary adaptation, Response to environment

What are the similarities between eu- and procaryotic cells?

ribosomes (synthesize proteins)
nucleoid with DNA
plasma membrane enclosing
cytoplasm
 

What a eucaryotic cell has but a procaryotic doesnt

  • "true" nucleus -> nuclear envelope
  • larger (, different ribosomes)
  • membrane enclosed organelles
    • mitochondrion
    • Golgi apparatus
    • ER
    • peroxisome
    • lysosome (animal)
    • chloroplast (plant)

What a procaryotic cell has but a eucaryotic doesnt

  • no nucleus
  • smaller (ribosomes)
  • no membrane enclosed organelles

What do some procaryotic cells have?

What do some procaryotic cells have?

What do all procaryotic cells have?

ribosomes, nucleoid, plasma membrane, cytoplasm, DNA

Procaryotic cell

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fimbriae, ribosomes, nucleoid, plasma membrane, cell wall, capsule, flagella, cytoplasm, DNA

Eucaryotic animal cell

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  • rough ER,
  • smooth ER,
  • ribosomes,
  • golgi apparatus,
  • nucleus (nuclear envelope, chromatin, nucleolus),
  • plasma membrane,
  • mitochondrion,
  • cytoskeleton (microfilament, intermediate filament, microtubules),
  • peroxisome,
  • lysosome,
  • centriole, 
  • cytoplasm

eucaryotic plant cell

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  • rough ER,
  • smooth ER,
  • ribosomes,
  • golgi apparatus,
  • nucleus (nuclear envelope, chromatin, nucleolus),
  • plasma membrane,
  • cell wall
  • cytoplasm
  • mitochondrion,
  • cytoskeleton (microfilament, intermediate filament, microtube),
  • peroxisome,
  • chloroplast,
  • plasmadesmata
  • central vacuole

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