All of them except d. But then again it depends on who you are and what you think about what a purpose is. You need all of the other choices to have something to think about what purpose really means.
Viruses bacterias fungi and parasites all have a different cell type. it is a long answer. lmk if you want in details
The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a "double helix," in the journal Nature.
Answer:
the labelled diagram is attached
Explanation:
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