The mutation<span> caused by the addition of a nucleotide to an already existing gene sequence is duplication.</span>
The carbon cycles recycles caronatoms(carbon dioxide) and the nitrogen cycle recycles nitrogen.and the carbon cycle makes carbon dioxide and the carbon dioxide goes to the trees ,and the trees get the nitrogen and starts the cycle again.
True. Anabolism builds complex molecules from simpler ones, while catabolism breaks large molecules into smaller ones.
