Mutations in the MT-CYB gene found in mitochondrial DNA can cause mitochondrial complex III deficiency. When caused by mutations in this gene, the condition is usually characterized by muscle weakness (myopathy) and pain, especially during exercise (exercise intolerance).
Hejazi Arabic, also known as Western Arabian Arabic, is a variant of the Arabic language spoken predominantly in the western region of Saudi Arabia. The language is spoken by approximately 8 million Saudi nationals, as of the last census.
There is a different dialect of Arabic Language in each of the 24 Arabic Countries (25 with the Western Sahara). And even so , there are slightly different dialects of speech â¦inside the same country, thus it is difficult to give accurate statistics about that. The most common estimates place the number between 40-50. The most prominent dialect is the Egyptian dialect, followed by the Iraqi, Saudi, and Syrian dialects.