1.5 - The origin of cells - Key terms

Question	Answer
Endosybiotic theory	Theory that some organelles of eukaryotic cells arose from prokaryotes that came to live, in a symbiotic relationship, inside another cell. Image: bc7c0de9-14ae-43d7-95c0-4cb4438a2690 (image/jpeg)
Spontaneous generation	The idea that bacteria grew from non-living materials, believed at the time Pasteur was doing his research.
Louis Pasteur	A French chemist who disproved the spontaneous generation of microbes and discovered that heat could kill bacteria.
Double membranes of mitochondria and chloroplasts	Expected if these organelles formed by endocytosis of a prokaryote cell.
DNA in mitochondria and chloroplasts	Evidence that these organelles once lived as prokaryotes.
Binary fission in mitochondria and chloroplasts	Evidence that these organelles were once prokaryote cells.

Resource summary

	Created by Ella-mentary almost 10 years ago