Dna codes genetic information for the transmission of inherited traits. Im going to give you the structure of that first because you will need it later anyway.
Anatomy Of A Comparative Gene Expression Study
In all species it is composed of two helical chains bound to each other by hydrogen bonds.
Dna anatomy. Dnas are coiled up forming chromosomes and each chromosome has a single molecule of dna in it. The full name of dna deoxyribonucleic acid gives you the name of the sugar present deoxyribose. Dna is made up of molecules called nucleotides.
Overall the human beings have around twenty three pairs of chromosomes in them. The order of these bases is what determines dnas instructions or genetic code. It also showed that each dna chain in.
Each nucleotide contains a phosphate group a sugar group and a nitrogen base. This explained biochemist erwin chargaffs discovery that the dna of any species has the same amount of guanine as of cytosine and of adenine as of thymine 6. The structure of dna is dynamic along its length being capable of coiling into tight loops and other shapes.
The dnas play an important role in the process of cell division. Dna abbreviation of deoxyribonucleic acid organic chemical of complex molecular structure that is found in all prokaryotic and eukaryotic cells and in many viruses. The four types of nitrogen bases are adenine a thymine t guanine g and cytosine c.
Dna structure has a backbone made of sugar and phosphate groups deoxyribose is a modified form of another sugar called ribose. Dna is a long polymer made from repeating units called nucleotides. The backbone of dna is based on a repeated pattern of a sugar group and a phosphate group.
Thursday 12 december 2013. Deoxyribose is a modified form of another sugar called ribose. Phosphate acidic part of the molecule balances the bases.
These chromosomes are found in the cells of the nucleus.
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