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A-Level Biology OCR A

Cell Made Eukaryotic Prokaryotic Micrometers Nucleus Dna Wrapped

This table compares prokaryotic and eukaryotic cells, highlighting differences in size, nucleus, chromosomes, cell division, organelles, and examples.

This flashcard provides a detailed comparison between prokaryotic and eukaryotic cells across various features like size, nucleus, chromosomes, cell division, and organelles.

Front Draw a table comparing eukaryotic and prokaryotic cells.
Back
Point of comparisonProkaryotic cellEukaryotic cell
Size0.1 - 10 micrometers

10 - 100 micrometers
NucleusNo nucleus (nucleoid region only)

Membrane-bound
Chromosome(s)Single circular chromosome, DNA is not wrapped around histones

Multiple linear chromosomes, DNA is wrapped in histones
Cell divisionBinary fission

Sexual and asexual
Endoplasmic reticulum/

Involved in protein/lipid/carb synthesis
Ribosomes70S type, smaller 

80S type, larger
Mitochondria/Site of aerobic respiration and ATP production
Lysosomes/

Vesicles that contain digestive enzymes
Golgi apparatus/Involved in modifying proteins
Chloroplasts/
Plant cells have them - site of photosynthesis
Cell wallMade of peptidoglycanIn plants made of cellulose, in fungi made of chitin
FlagellaeAble to rotate (motor like motion)

Unable to rotate only whips back and forth
Organelles surrounded by an envelope/

Nucleus, mitochondria, chloroplasts
ExamplesE. Coli

Oocyte
Prokaryotes also have a simpler cytoskeleton than eukaryotes.

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