The main purpose for photosynthesis would be to use sunlight energy to make glucose and oxygen. as for cellular respiration, the main purpose is to create carbon dioxide and water, but the most important is that it creates ATP, which can be used for energy.
Nuclease to the ribosomes, pardon spelling im in a rush :)
Answer:
Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of their ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species
Explanation:
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When water is called polar molecular that means that there is an uneven distributor of electron density
