BSC 2010 EXAM 5 STUDY GUIDE Questions and answers, rated A+| LATEST EXAM UPDATES|

BSC 2010 EXAM 5 STUDY GUIDE Questions and answers, rated A+ What are telomeres? - -DNA at the tips of chromosomes What are the complementary base pairs of DNA? - -Adenine=Thymine, Guanine=Cytosine Complementary base pairs of RNA? - -Adenine=Uracil, Cytosine=Guanine what is attached to the 5' carbon and 3' carbon ends of the DNA strand? - -phosphate group How is DNA replicated? - -the two strands of DNA unzip, new bases are added (ATGC). What are the enzymes involved in DNA replication? - -DNA helicase, DNA polymerase, DNA ligase Function of each enzyme? - -DNA polymerase- adding nucleotides to @ 3 end of new strand, removes RNA primer and fills in the place with DNA molecules DNA ligase- links two Stands together unzips the parent DNA DNA Helicase- links Okazaki fragments What is the central dogma of molecular biology? - -information is transferred from DNA to RNA to protein How is DNA transcribed and translated? - -a strand of DNA is copied into a new molecule of messenger RNA (mRNA); takes the information passed from DNA as messenger RNA and turns it into a series of amino acids bound together with peptide bonds