Structure A is used for (4) cell communication. The cell membrance has receptros for cell communcation.
Structure B is used to (1) extract energy from nutrients. The mitochondria is the power house of the cell.
Structure C is used for (1) protein synthesis. The golgi apparatus is where protein is created.
Answer:
Sunlight provides the energy needed for photosynthesis to take place.
Explanation:
answer:
SPANISH
Los principales compuestos composicionales de la cáscara se conocen como Carbonato de Calcio que ayuda a fortalecer la estructura que la ayuda del elemento fósforo.
ENGLISH
The main compositional compounds of the shell are known as Calcium Carbonate that helps in strengthening the structure which the help of phosphorus element.