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Correct the following statements if there is any mistake: [5 MARKS] (a) The four nitrogenous bases in the DNA are Guanine, Thiamine, Adrenaline and Cytosine. (b) Genes are specific sequences of bases on a chromosome. (c) A nucleotide is composed of a sulphate, a sugar (pentose) and a nitrogenous base. (d) Nucleosomes are groups of cysteine molecules surrounded by DNA strands. (e) If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase. |
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Answer» Correct the following statements if there is any mistake: [5 MARKS] (a) The four nitrogenous bases in the DNA are Guanine, Thiamine, Adrenaline and Cytosine. (b) Genes are specific sequences of bases on a chromosome. (c) A nucleotide is composed of a sulphate, a sugar (pentose) and a nitrogenous base. (d) Nucleosomes are groups of cysteine molecules surrounded by DNA strands. (e) If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase. |
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