Answer:
double-stranded DNA are tightly looped, coiled, and folded so that they fit easily within the cell. ... In both eukaryotes and prokaryotes, this highly compacted DNA is then arranged into structures called chromosomes.
Explanation:
The similarities between sharks and dolphins are : Analogous
<h3>What are analogous structures ?</h3>
Analogous structures are similar structures present in different species that do not share the same/common ancestor.
The similarities between sharks and dolphins are streamlined bodies and the possession of fins and they are analogous structures because they evolved differently for sharks and dolphins as they do not share a common ancestor.
Hence we can conclude that The similarities between sharks and dolphins are : Analogous
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The purpose of vesicles is simply water retention
