KA1: Cell Structure Flashcards
What are cells
Cells are the basic units of all living things
What do unicellular organisms consist of and give an example
A single cell
Bacteria
What do multicellular organisms consist of and give an example
Many cells
Humans
What does μm mean?
Micro meter
What features are in an Animal Cell?
Cell membrane
Nucleus
Mitochondria
Ribosome
Cytoplasm
What features are in a Plant Cell?
Cell membrane
Cell wall
Vacuole
Chloroplast
Ribosome
Nucleus
Cytoplasm
Mitochondria
What features are in a Fungal Cell?
Mitochondria
Cell Wall
Nucleus
Ribosome
Cytoplasm
Cell membrane
What features are in a Bacterial Cell?
Cell Wall
Cytoplasm
Pili
Cell Membrane
Flagellum
Plasmid
Ribosome
Bacterial Chromosome
What is an organelle?
Part of the cell with specialised functions
What is the function of the nucleus?
Controls cell activities and contains DNA
What is the function of the cytoplasm?
Site of chemical reactions
What is the function of the mitochondria?
Site of aerobic respiration
What is the function of chloroplast?
Site of photosynthesis
What is the function of the cell membrane?
Controls what enters and exits the cell
What is the function of the cell wall?
Supports the cell
What is the function of the ribosome?
Site of protein synthesis
What is the function of plasmid?
DNA for bacterial cells
What is the function of the vacuole?
Filled with sap
What is the function of the flagellum?
Tail on bacteria cell that allows it to move
How to calculate cell sizes?
Diametre divided by number of cells
What is 1000 micro metre equal to?
1 milimetre
What is 1000 nanometre (nm) equal to?
1 micro metre
What is the composition of a plant cell wall
Made of cellulose in plants but different materials in fungi and bacteria cells
