Answer:
An individual organism that supplies living tissue to be used in another body, as a person who furnished blood for transfusion or an organ for transplantation in a histocompatible recipient that doesnt function.
Explanation:
Phoebus Levene was the one who proposed <span>the polynucleotide model stating that dna and rna were composed</span>
Muscles in the eye can change shape of the eye lense.
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