Choose the correct statement: Euchromatin normally contains genes that are not expressed by a cell A nucleosome is composed by histones, but DNA does not form part of it Heterochromatin refers to highly condensed chromatin Barr bodies are present in male nucleus of mammalian cells
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Question 31 Which of these is NOT TRUE about chromosomes? Cells can use their genes even before the chromosomes have replicated in preparation for cell division chromatin is DNA that is unwrapped completely from histones The centromere is a region that has not replicated yet only 2% of human DNA codes for proteins
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Inactive genes tend to be found in (a) highly condensed chromatin, known as euchromatin (b) decondensed chromatin, known as euchromatin (c) highly condensed chromatin, known as heterochromatin (d) decondensed chromatin, known as heterochromatin (e) chromatin that is not organized as nucleosomes
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