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BIO340 Phoenix DNA Polymerase and Nucleosome Microbiology Quiz 9

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Microbiology Quiz 9 QUESTION 1 1. Which is incorrect about purines? Only found in DNA, not in RNA Are nitrogenous bases Always paired with a specific pyrimidine Include adenine and guanine Found within nucleotides 0.8 points QUESTION 2 1. Semi conservative replication refers to Each base bonding at the 1' position of the sugar A purine always bonding to a pyrimidine One helix strand that runs from the 5' to 3' direction and the other strand runs from the 3' to 5' direction An original parent DNA strand and one newly synthesized DNA strand comprising a new DNA molecule None of the choices are correct 0.8 points QUESTION 3 1. A frame shift is caused by ______ mutations? Missense and insertion Missense and nonsense Nonsense and deletion Deletion and insertion Insertion and nonsense 0.8 points QUESTION 4 1. DNA polymerase III Is needed for adding nucleotides during mRNA synthesis Synthesizes new DNA only in the 5' to 3' direction Cannot add nucleotides to the lagging strand Synthesizes an RNA primer All of the choices are correct 0.8 points QUESTION 5 1. A nucleosome is a linear chromosome wound around the Nuclear membrane rRNA mRNA His tone Nucleolus 0.8 points QUESTION 6 1. Which of the following is not associated with a prokaryotic ribosome? Is a 70s Has a peptide (P) site Has an exit site Small unit provides the enzymes for making peptide bonds Has an amino acid (A) site 0.8 points QUESTION 7 1. Each _____ is a specific segment of the DNA with the code for pro ...
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