Lichens are formed due to the symbiotic association of 1 Moss and fungi 2 Bacteria and fungi 3 Algae and fungi 4 None of these

Mycorrhiza is a symbiotic association between 1 Algae and roots of orchids 2 Protozoa and roots of higher plants 3 Bacteria and roots of higher plants 4 Fungi and roots of higher plants

What is the endosymbiotic hypothesis about the origin of mitochondria? What are the molecular facts that support the hypothesis? To which other cellular organelles the hypothesis can also be applied?

What is the endosymbiotic hypothesis about the origin of mitochondria?