1. Explain how it is possible for you to have so many different kinds of cells i
ID: 273890 • Letter: 1
Question
1. Explain how it is possible for you to have so many different kinds of cells in your body le.g muscle cells, skin cells, liver cells, etc.) when nearly all of the cells contain the same 46 molecules of DNA (chromosomes). 2. Explain in your own words your understanding of the central dogma of biology. 3. Answer each of the following questions. A What is the primary structure of a protein? Of what importance is the primary structure of a protein? What ultimately determines the primary structure of a protein? A What is a mutation? During what process are mutations most likely to occur? Why do mutations affect the primary structure of a protein?Explanation / Answer
1.even if every cell have 46 chromosomes of DNA there expression capacity is different according to various tissue, organs, system. So they are group into different types of cells
2.central dogma of biology provides basic framework to show DNA structure to protein formation inside the cell
3.
-Primary structure of proteins is sequence of amino acid in polypeptide chains
-peptide bond
-shape of the protein decided by primary structures of protein
-mutation is permanent alteration of nucleotide sequences of genome of any organism, virus etc. It may occur by self error of DNA or some environmental factors.
-mutation totally changes amino acid sequences so it alters primary structure.
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