Answer:
Control of the cell cycle is necessary for different reasons. When the cell cycle are not regulated, cells could constantly undergo cell division without any form of control which will lead to cancer.
Internal regulation of the cell cycle is necessary to alert the passage of one phase to the next at a set given time. This helps in the overall metabolism of the body.
B is the nucleoid
D is Ribosomes
Hope this helps :)
<span>Laryngotracheobronchitis or croup is a disease that caused by viral infection. The virus could be influenza or parainfluenza virus. The infection will cause edema of the trachea and might obstruct the airway, causing difficulty in breathing.
</span>In this case, nurse should take attention to the patient airway and breathing. Patient with dypneu should be given oxygen and racemic epinephrine nebulized. Corticosteroid also help to reduce the swelling such as dexamethasome or budesonide inhalation.
The answer is A , I hope this is not to late
