This means that certain cells are made by the body for different reasons. For instance, muscular cells are made for muscles, bone for bones, etc.
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Answer:
They can be used for cellular respiration
The anatomy of the homo sapiens is one feature that distinguishes them from its predecessors. Their anatomy was unique: changes in the skull and postcranial skeleton (skeleton minus skull), changes in brain size and architecture. The brain of the homo sapiens was larger than the brain in its predecessors. These changes are linked to the behavior of the homo sapiens and their adaptation.
The identify of the four DNA nucleotides is based on b) covalent bonds.