A-LevelBiologyNucleic acids and protein synthesis9700/12 · Oct/Nov 2020 · Q191 Mark
In eukaryotes, the chromosomes become shorter and thicker during mitosis. The thickening may be increased by molecules called protamines. The protamines replace part of the structure of the chromosome. Which part of the chromosome is replaced by protamines?
Acentromeres
Bchromatids
Chistones
Dtelomeres
✓ Correct answer
C: histones
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