Symptoms. A buzzing or ringing type of sound is heard in the ear which is accompanied by a syndrome known as Meniere's disease. Meniere's disease is an inner ear disorder that causes severe hearing loss, ringing in the ears, and dizziness. Diagnosis.
Report Abuse. The Endosymbiosis theory is about chloroplasts and mitochondria and their two membranes. First there are two prokaryotic cells, chloroplast and mitochondria, then one of cells dulges into the other cell and they create a second membrane.Chloroplast and Mitochondria.eport Abuse. The Endosymbiosis theory is about chloroplasts and mitochondria and their two membranes. First there are two prokaryotic cells, chloroplast and mitochondria, then one of cells dulges into the other cell and they create a second membrane.
(Or, can the endosymbiont theory explain the origin of eukaryotic cells?) Eukaryotic cells, such as yeast and those of animals and plants, have a membrane-bound nucleus, chromosome structures and organelles such as mitochondria and chloroplasts, whereas prokaryotic cells, such as bacteria, lack these features.