Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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1. Okazaki fragments are small pieces of DNA synthesized discontinuously on the lagging strand of
2. during replication DNA polymerase synthesize DNA in the 5 or 3 direction (true or false)
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- The enzymatic activity of prokaryotic DNA polymerases is faster than that of eukaryotic DNA polymerases, but the overall rate of DNA replication is faster in eukaryotes than prokaryotes. How is this possible? Group of answer choices Prokaryotic but not eukaryotic DNA replication requires a primer. Eukaryotic but not prokaryotic DNA replication proceeds from multiple origins. Prokaryotic DNA replication is a more complex process, with time-consuming polymerase switching that is not needed in eukaryotes. Prokaryotic but not eukaryotic DNA replication proceeds from both 5’ --> 3’ and 3’ --> 5’ Prokaryotic DNA polymerases and not eukaryotic polymerases have proofreading ability.arrow_forwardThe discontinuous aspect of replication of DNA in vivo is caused by trinucleotide repeats lack of primase formation DNA polymerase slippage DNA supercoiling the 5' to 3' polarity restriction in DNA synthesis OOO OOarrow_forward#2 under Process: Bases pair up quickly on the leading strand, however, the bases have to be filled in backwards on the lagging strand and so it takes longer to complete this half of the DNA strand. True Falsearrow_forward
- #4 under End Result: Two identical strands of DNA are made. Each strand has one of the original strands and one of the new strands. True Falsearrow_forward#7arrow_forward4, Describe the process of DNA replication. In your description, include the terms okazaki fragments, lagging, and leading. polymerase, ligase,arrow_forward
- Which of the following is not necessary for replication to proceed? O MRNA O RNA primer O DNA polymerase O primase O DNA ligasearrow_forward#3 under Identify the Structures is what? A. phosphate polymerase complex B. DNA polymerase complex C. deoxyribose sugar polymerase complex D. nitrogen base polymerase complexarrow_forwardWhich of the following things must happen first if DNA is going to be replicated * DNA gets broken into smaller pieces to make the process more manageable DNA gets unzipped, so the two complimentary strands are separated DNA Polymerase adds on bases that match with the original strand DNA gets wound back into chromosomes so it's ready for mitosis Lenovo esc -> 女 # 2$ 2 3 5 6 7 8 9. tab e r t y a f k ift V alt ctriarrow_forward
- 12. Shown below are three possible mechanisms for DNA replication. Identify which each kind is (semiconservative, conservative, or dispersive). I Which model is this? (select one) A. Semiconservative Conservative Dispersive Semiconservative Conservative Dispersive Semiconservative Conservative Dispersive B. C. XXX< XXXXXX XXX< x< XXXXXXXX XXXXXXXxXxXx XXXXXX MXXXXX XXxxxxxX XXXXXXarrow_forwardAfter ONE round of DNA replication in Meselson and Stahl's classic experiment, the semiconservative model was conclusively proven to be the correct one all three models of replication were still possibilities the dispersive model was conclusively proven to be incorrect the conservative model was conclusively proven to be incorrect both the conservative and the semiconservative models were still possibilities O O Oarrow_forward4arrow_forward
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