patrilineal descent. (noun) Tracing an individualâs descent through their fatherâs side of the family. Audio Pronunciation: (patÂ·riÂ·linÂ·eÂ·al deÂ·scent). Download Audio Pronunciation: patrilineal descent .mp3. Usage Notes: 1  Plural: patrilineal descents. 2  An agnate is blood relative in a patrilineal descent. Patrilateral refers to a personâs relations on their fatherâs side. 2  A type of unilineal descent. 3  In contrast to patrilineal descent, matrilineal descent is tracing an individualâs descent through their motherâs side of the family. 4  Also called: 5  agnatic. 6  agnatic descent. 7  agnation.
Bacteria and yeast. Anaerobic respiration takes place in yeast and some bacteria, producing ethanol and carbon dioxide. They have been used in the making of many foods such as bread, yoghurt and vinegar. You must know the structure and functions of a bacterial cell and yeast cell.Diagram of bacterial cell.naerobic respiration takes place in yeast and some bacteria, producing ethanol and carbon dioxide. They have been used in the making of many foods such as bread, yoghurt and vinegar.
Structure of the germinal epithelium. Quiz. The epithelium consists of Sertoli's sustentacular cells and the spermatogenic cells. The Sertoli's cells form a single-layered lamina and extend from the basal lamina to the tubule lumen.With their labyrinthine cellular processes they surround the individual types of germ cells more or less completely.uiz. The epithelium consists of Sertoli's sustentacular cells and the spermatogenic cells. The Sertoli's cells form a single-layered lamina and extend from the basal lamina to the tubule lumen.