Yes RNA does have a phosphate group
They are often represented as capital letters
Answer:
Plants
Explanation:
The cell membrane is the plants.
Answer:
The cilia is one of the things that act defensively in the respiratory system.
Explanation:
It propels a mucus-like liquid that covers the airway which traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.
