Data from the sequence of amino acids in proteins are used to infer how living things are related through evolution. The chart shows part of this sequence for several organisms' cytochrome-c, a protein used to get energy from food.

Answer:
WHat grade is dis? I need help I think it could be A and C
The two most closely related organisms are chicken and turkey as they have the most similarity in the amino acid sequence of Cytochrome C.
Proteins are large macromolecules which are made up of amino acids sequences that are linked together by peptide bonds.
Similarity in amino acids sequence of a protein in two or more organisms indicates similarity between the organisms.
Based on the chart, chicken and turkey have most similarity in the amino acid sequence of Cytochrome C.
Therefore, the two most closely related organisms are chicken and turkey.
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