Prokaryotes and Eukaryotes Biology Unit 04 Lesson 01.

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Presentation transcript:

Prokaryotes and Eukaryotes Biology Unit 04 Lesson 01

Prokaryotes – What are they?  Cells (usually single-celled) with no nucleus  Have no specialized organelles  Usually have: cell wall, cell membrane, ribosomes, genetic material, cytoplasm, and flagella or cilia  Examples: bacteria and archae  Reproduce through binary fission  Get energy through photosynthesis, chemosynthesis, (inorganic chemicals) or digesting other organisms

Eukaryotes – What are they?  Cells with a nucleus and other membrane-bound organelles that perform special functions  Always have a nucleus  May also have: chloroplasts, Golgi apparatus, lysosomes, mitochondrion, plastids, rough endoplasmic reticulum, smooth endoplasmic reticulum, vacuoles, and vesicles  Examples: fungi, protists, plant and animal cells  Reproduce by mitosis or meiosis  Get energy through photosynthesis or by digesting other organisms.

Prokaryote or Eukaryote?