Cell types and organelles Flashcards
What is a eukaryote?
An organism made up of eukaryotic cells
Where are eukaryotic cells found?
In plants, animals, fungi and protists
What are prokaryotes?
Organisms made up of prokaryotic cells
Name a prokaryote
Bacteria
Which is larger: eukaryotic or prokaryotic cells?
Eukaryotic cells
Name three organelles prokaryotic cells do not contain
Mitochondria
Chloroplasts
Nucleus
Describe the function of a cell membrane
The cell membrane separates the cell’s interior from the external environment
It is selectively permeable to control substances moving through it
Define cytoplasm
Jelly-like fluid where most of a cell’s chemical reactions occur
Describe the role of the nucleus
Stores genetic material in the form of chromosomes
Prokaryotic cells may contain plasmids.
Define plasmids and describe their role
Small rings of DNA
Can replicate and move between cells to share genetic information
Describe the role of ribosomes
Synthesise protiens
Name 3 sub-cellular structure that plant cells have but animal cells do not
Vacuole
Chloroplasts
Cell Wall
