Functions of organelles Flashcards
What is the function of the nucleus ?
controls all activities of cell.
What is the function of cytoplasm ?
liquid gel where organelles are suspended and where chemical reactions take place
What is the function of the cell membrane ?
controls movement of substances into and out of the cell
What is the function of the mitochondria ?
where aerobic respiration occurs, releasing energy into cell
What is the function of ribosomes ?
where protein synthesis occurs
What is the function of the cell wall ?
made of cellulose that strengthens the cell giving it support
What is the function of the chloroplast ?
green due to chlorophyll. absorbs light for photosynthesis
What is the function of the permanent vacuole ?
filled with cell sap. keeps cell rigid
What is the function of the flagellum ?
A long, whiplike structure that helps a cell to move
What is the function of the capsule ?
protects against desiccation and ingestion by WBC
What are plasmids?
Extra rings of DNA that carry genes.
What do plasmids allow bacteria to do?
Use different food sources.
What is one function of plasmids in bacteria?
Confer resistance to antibiotics.
What is the function of the DNA loop ?
circular loop of dna that controls cell activity and reproduction
What is the definition of eukaryotes ?
has membrane bound organelles e.g nucleus
What is the definition of prokaryotes ?
has no membrane bound organelles e.g yeast / fungi
