Brandon C. HallTuesday, January 28, 1997Chapter 10Chemical Basis of Genetics Essay12. 2 Structure of DNABreakthrough in genetic research took place in 1953 at Cambridge University in Great Britain. By James D. Watson, an american biologist, and Francis H.
C. Crick, a British biophysicist, discovered the structure of DNA. Existing Knowledge of DNALevene in the 1920’s found that DNA contained four nitrogen-carrying bases called adenine, guanine, thymine , and cytosine. Five-carbon sugar deoxyribose. Together with a phoshate group is called nucleotide. The Watson-Crick ModelThen sequence of the nucleotides is the code that controls the production of all the proteins of an organism.
A gene is a sequence of nucleotides that controls the production of a polypeptide of an RNA molcule. 12. 4 DNA and RNADNA, with its blueprint for protein synthesis, is located in the cell nucleus. Yet the maufacture of protein moleculestakes place in the cytoplasm of the cell on the structures called ribosomes. DNA molecules do not leave the nucleus to control the production of the protein. Instead, another type of nucleic acid acts as a messenger between DNA and ribosomes and carries out protein synthesis.
This nucleic acid is called RNA, or ribonucleic(ry boh noo klee ihk) acid. Three kinds of RNA = messenger mRNA, Transfer tRNA, Ribosomal rRna. RNA contains ribose instead of deoxyribose and uracil instead of thymineTuesday, January 28, 1997Chapter 10Chemical Basis of Genetics12. 2 Structure of DNABreakthrough in genetic research took place in 1953 at Cambridge University in Great Britain. By James D. Watson, an american biologist, and Francis H.
C. Crick, a British biophysicist, discovered the structure of DNA. Existing Knowledge of DNALevene in the 1920’s found that DNA contained four nitrogen-carrying bases called adenine, guanine, thymine , and cytosine. Five-carbon sugar deoxyribose.
Together with a phoshate group is called nucleotide. The Watson-Crick ModelThen sequence of the nucleotides is the code that controls the production of all the proteins of an organism. A gene is a sequence of nucleotides that controls the production of a polypeptide of an RNA molcule. 12.
4 DNA and RNADNA, with its blueprint for protein synthesis, is located in the cell nucleus. Yet the maufacture of protein moleculestakes place in the cytoplasm of the cell on the structures called ribosomes. DNA molecules do not leave the nucleus to control the production of the protein. Instead, another type of nucleic acid acts as a messenger between DNA and ribosomes and carries out protein synthesis. This nucleic acid is called RNA, or ribonucleic(ry boh noo klee ihk) acid.
Three kinds of RNA = messenger mRNA, Transfer tRNA, Ribosomal rRna.RNA contains ribose instead of deoxyribose and uracil instead of thymineCategory: History .
