Hi
Well, firstly, <span>Root hairs allow the plant's roots to cover more ground,in this way, giving it the opportunity to extract more nutrients and water from the soil. That's how it works</span>
Explanation:
Speed = Distance traveled/ Time taken
Distance = 200m
Time = 15s
Speed = 200/15 = 13.33m/s
DNA or deoxyribonucleic acid is macromolecule composed of nucleotides (nitrogen nucleobase, deoxyribose sugar and phosphate group) which carries genetic information (instructions). Instructions within DNA are for development, growth, reproduction and many other functional roles of an organism.
All of the cells within an organism contain the same genome (full set of DNA-chromosomes). When cells begin the process of differentiation (cells become specified) their genome stays the same, but the gene expression is different (different genes are on or off).
