NCEA Level 1 Pūtaiao Practice Questions - NCEA Level 1 Pūtaiao (Science) Assessment Exam

Which structure best describes the physical form of a DNA molecule in living organisms?

A double helix composed of two complementary nucleotide strands A single-stranded linear chain of amino acids A branched polysaccharide network of glucose units A triple-layered phospholipid membrane lattice

Correct Answer:

A double helix composed of two complementary nucleotide strands

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