Which statement best describes a characteristic of a scientific theory? a.~supported by mathematics to explain a principle of nature b.~a readily demonstrable fact that cannot be disproven c.~an educated guess that is yet to be tested consistently d.~supported by a substantial body of evidence observed in nature

option D is correct .

A scientific theory can be defined as :- an explanation of a feature in the natural worlds that can be repeatedly tested. This can be verified in accordance with scientific method by using different accepted protocols of observation , measurement and result evaluation.

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

d) center of the mid-ocean ridge

give brainleysest

sinserly,

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