DNA Structure and Replication An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called helicase reverse transcriptase transposase restriction endonuclease helicase reverse transcriptase transposase restriction endonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis? Semi-conservative theory Conservative theory Evolutionary theory Dispersive theory Semi-conservative theory Conservative theory Evolutionary theory Dispersive theory ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Synthesizes the lagging strand Digests mRNA when it is no longer needed Joins nicks in DNA strands Makes copies of mRNA from DNA Synthesizes the lagging strand Digests mRNA when it is no longer needed Joins nicks in DNA strands Makes copies of mRNA from DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the approximate percentage of repetitive DNA sequences in human DNA? 20 to 30% 30 to 40% 40 to 50% 10 to 20% 20 to 30% 30 to 40% 40 to 50% 10 to 20% ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Overwinding or overtightening of DNA during replication is caused and removed by DNAb, gyrase DNAb, DNA polymerase Single stranded protein, DNAa DNAa, gyrase DNAb, gyrase DNAb, DNA polymerase Single stranded protein, DNAa DNAa, gyrase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Nucleosome is an octamer of four histones without H1 protein an octamer of four histones with H1 protein an hexamer of three histones with H1 protein an hexamer of three histones without H1 protein an octamer of four histones without H1 protein an octamer of four histones with H1 protein an hexamer of three histones with H1 protein an hexamer of three histones without H1 protein ANSWER DOWNLOAD EXAMIANS APP
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