Chapter 10 vocab 1 - and RAN nitrogenous bases are attached...

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Chapter 10 Key Terms (10.1-10.5) 1. molecular biology- the study if the molecular basis of genes and gene expression; molecular genetics 2. bacteriophages- a virus that infect bacteria 3. phages- also called bacteriophages 4. transformation- the incorporation of new genes into a cell from DNA that the cell takes up from the environment 5. adenine (A)- a double-ring nitrogenous base found in DNA and RNA 6. cytosine (C)- a single-ring nitrogenous base found in DNA and RNA 7. guanine (G)- a double-ring nitrogenous base found in DNA and RNA 8. nucleotides- an organic monomer consisting of a 5-carbon sugar covalently bonded to a nitrogenous base and a phosphate group; building blocs of nucleic acids 9. polynucleotide- a polymer made up of many nucleotides covalently bonded together 10. sugar-phosphate backbone- the alternating chain of sugar and phosphate to which the DNA
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Unformatted text preview: and RAN nitrogenous bases are attached 11. thymine (T)- a single-ring nitrogenous base found in DNA 12. uracil (U)- a single-ring nitrogenous base found in RNA 13. double helix- the form of native DNA, referring to its 2 adjacent polynucleotide strands wound into a spiral shape 14. semiconservative model- type of DNA replication in which the replicated double helix consists of one old strand, derived from the old molecule, and one newly made strand 15. DNA ligase- an enzyme, essential for DNA replication, that catalyzes the covalently bonding of adjacent bonding of DNA nucleotide 16. DNA polymerase- an enzyme that assembles DNA nucleotides into polynucleotides using a preexisting strands if DNA as a template...
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