Nature of bacteria and fungi
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Nature of Bacteria and Fungi. Higher Level only. Learning Objectives. Discuss the prokaryotic nature of bacteria Discuss the eukaryotic nature of fungi. Prokaryotic and Eukaryotic. Living things can be divided into two categories with regard to the structure and complexity of their cells:

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Nature of Bacteria and Fungi

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Nature of Bacteria and Fungi

Higher Level only


Learning Objectives

  • Discuss the prokaryotic nature of bacteria

  • Discuss the eukaryotic nature of fungi


Prokaryotic and Eukaryotic

  • Living things can be divided into two categories with regard to the structure and complexity of their cells:

    • Prokaryotes

    • Eukaryotes


Prokaryotic cells do not have a nucleus or membrane enclosed organelles e.g. bacterial cells

Eukaryotic cells have a nucleus and membrane enclosed organelles e.g. plant, animal, protist and fungal cells

Prokaryotic and Eukaryotic


Prokaryotic and Eukaryotic


Prokaryotic - Bacteria

  • Bacteria are prokaryotic cells

  • Their kingdom Monera is also referred to as prokaryotae

  • They are extremely small (0.5 – 10 μm)


Prokaryotic - Bacteria

  • As they do not have a true nucleus, bacterial DNA is found as a circular loop floating freely in the cytoplasm

  • They do not have membrane enclosed organelles like mitochondria and chloroplasts


Eukaryotic – Fungi, plants, animals, protists

  • The cells of all other kingdoms are eukaryotic

  • More advanced

    • they have a true nucleus and membrane enclosed organelles

  • evolved from prokaryotic cells


Learning Check

  • What two categories can cells be placed in?

  • In what way does a bacterial cell differ from a fungal cell?


Syllabus


Depth of treatment

  • Prokaryotic nature of bacteria

  • Eukaryotic nature of fungi


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