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Chromosome, Genes, DNA, Difference_DNA_RNA-EN.svg, печать-177836281, New…
Chromosome, Genes, DNA
Body (made of cells)
Cell, nucleus (contains chromosomes)
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Chromosome
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In human, there are 46 chromosomes, 23 pairs of chromosomes
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DNA
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Structure of DNA
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Discovered by Rosalind Franklin, James Watson, and Francis Crick
DNA replication
- The polynucleotide strands of DNA separate
- Each strand acts as a template for the formation of a new strand of DNA
- DNA polymerase assembles nucleotides into two new strands according to the base-pairing rule
- Two identical DNA molecules are formed, each contains a strand form the parent DNA and a new complementary strand
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RNA
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Differences from DNA: only single strand and have uracil, no thymine.
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