The 'D' in DNA stands for deoxyribose.
Answer: Basal metabolic rate
Explanation: Basal metabolic rate is the rate at which the body consumes energy per unit time by endothermic animals at rest.
Basal metabolic rate is the amount of energy expended per unit of time to keep the body functioning even at rest.
The energy consumed by the body at rest to keep various involuntary body functions active is termed Basal metabolic rate. These involuntary body functions include breathing, heartbeat, etc.
The PCD is an abbreviation used for the primary cilia diskinesia disease. This condition result in the reduced motility of the cilia.
In respiratory tract, the cilia help the mucus to flow above the respiratory tract. In case, the cilia is damaged, or it is not able to move, then the mucus cannot move out of the respiratory tract and cause many respiratory abnormalities, such as congestion, infection, bronchitis, cough, short of breath, ear infections etc.