Answer:
All cells share a genetic code where triplet codons are read during gene expression to build proteins.
Explanation:
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Answer:
The answer is D.
Explanation:
The genetic code is a common feature for life on earth and indicates a common ancestry. the same three letters on an mrna molecule (aug, for instance) code for the same amino acid (methionine, for instance). The shared feature of transcription and translation indicates a common ancestry for life on earth. Other features listed are unique to only certain cell types (photosynthesis=autotrophic cells, mitosis=multicellular organisms, nuclear envelope=eukaryotic cells).
