During elongation, which site in the ribosome represents the location where a codon is being read? a) e site b) p site c) a site d) the small ribosomal subunit

During the elongation the codon is being read in (c.) A site, A site also known as aminoacyl or acceptor site. During elongation, the site in the ribosome that represents the location where a codon is being read is the A site. This is because the purpose of the A site is to act as the acceptor for the growing protein during peptide bond formation. The P site, on the other hand, is the peptidyl site that binds to the tRNA holding the growing. 

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.