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.
These are the countries where Arabic is the main, or the sole, spoken language: Mauritania, Western Sahara, Morocco, Algeria, Tunisia, Lybia, Sudan, Egypt, Palestine (Gaza Str â¦ ip and West Bank), Syria, Lebanon, Jordan, Saudi Arabia, Yemen, Oman, Arabic Emirates (ancient Trucial Oman), Qatar, Bahrain, Kuwait.rabic is also a very used and an official language of Israel's. Arabic is mainly spoken in the countries of the middle east and north Africa.