Answer:
proton and neutron are located in the nucleus of an atom.And the electron surrounds the nucleus.
Explanation:
Answer:
The cell cycle best repairs organism from a puncture wound.
Explanation:
Repairing in organism means restoration of damaged tissue and its functioning. In a cell cycle, a tissue is repaired through the process of Mitiosis in cell division. It helps in growth of cell.
Through this process identical cell copies are produced by which the punctured wound or damaged tissue is replaced. Thus, cell cycle is seen in playing an important role in repairing an organism.
James Watson<span> and</span>Francis Crick <span> discovered the three-dimensional structure of dna in 1953</span>
The water repellant properties of waxes is very useful in the leaves of some plants, in the feathers of birds and also in cuticle of insects. Waxes in plant leaves reduce the amount of water that is lost by the leaves. The wax that is present in the birds' feather prevent them from getting wet with water.
Chitin - part of insects hard body and part of fungus
Cellulose - part of plant cell walls
Pectin - also part of plant cell walls