Answer:
For regulating activities of cell.
Explanation:
Ad nucleus consists of genetic materials like DNA,RNA which is responsible for controlling and directing all the activities of cell.
A forest fire that was caused by lightning
Answer:
Option D
Explanation:
Adenosine triphosphate (ATP) is the source of energy for use and storage at the cellular level.
Explanation:
Oxygen does not enter the body except due to some diseases and loss of consciousness, and then the patient uses a ready-made ventilator
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