Which observation would provide the strongest evidence that most noncoding dna is slightly deleterious?

The correct option is species with smaller population sizes have more non-coding DNA.

Explanation:

Non-coding DNA can be described as the DNA which does not code for anything and hence, is not involved in the formation of proteins.

In smaller populations, we can see that most of the genome of species is non-functional. Studies in these populations show that even if some part of the genome is deleted, no changes occur in the organism as these regions do not code for any specific proteins.

hydroxyl -oh

alcohols, always polar, can form hydrogen bonds with h2o molecules

carboxyl -cooh  

cargoxylic acids, has acidic properties which is a source of hydrogen ions, found in cells in ionized for with a charge of oh-1

carbonyl > co

ketone if within skeleton, aldehyde if group is at the end of skeleton, k & a may be structural isomers, it determines 2 sugars (ketose & aldose)

amino -nh2

amines, acts as a base, it can pick up h+ ions from surrounding solution, ionized with charge of 1+

methyl ch2

addition to rna/dna affects and gene expression

phosphate -opo3 ²⁻

organic phosphates, contributes to negative charge to, molecule that it is a part of, and potential to react with h20

sulfhydryl -sh

thiols, cross-linking stabilize the protein, and it is structure

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