7. What enzyme synthesizes small primers for DNA polymerase to bind to so it can initiateDNA replication. What are these primers made of? To answer the question please:I) name the proteins that are required for DNA replication;2) draw a scheme of DNA replication;3) design a primer for this DNA fragment: 5'-AATTGGCA-3,

DNA replication is the first process in the central dogma of life. It involves the synthesis of new…

Answered: What enzyme synthesizes small primers…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter14: Dna Structure And Function

Section: Chapter Questions

Problem 12RQ: Which of the following components is not involved during the formation of the replication fork?...

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Similar questions

Which of the following is/are not required for DNA replication to occur? a. DNA polymerase b. nucleotides c. template DNA d. primers e. helicase f. all are required
The statement DNA replicates by a semiconservative mechanism means that (a) only one DNA strand is copied (b) first one DNA strand is copied and then the other strand is copied (c) the two strands of a double helix have identical base sequences (d) some portions of a single DNA strand are old and other portions are newly synthesized (e) each double helix consists of one old and one newly synthesized strand
Which of the following is part of the elongation step of DNA synthesis? pulling apart the two DNA strands attaching complementary nucleotides to the template strand untwisting the DNA helix none of the above
Topoisomerases (a) synthesize DNA (b) synthesize RNA primers (c) join Okazaki fragments (d) break and rejoin DNA to reduce torsional strain (e) prevent single DNA strands from joining to form a double helix
Which of the following components is not involved during the formation of the replication fork? single-strand binding proteins helicase origin of replication ligase
DNA replication requires _______. a. DNA polymerase b. nucleotides c. primers d. all are required
Discuss Concepts A forensic scientist obtained a small DNA sample from a crime scene. In order to examine the sample, he increased its quantity by cycling the sample through the polymerase chain reaction. He estimated that there were 50,000 copies of the DNA in his original sample. Derive a simple formula and calculate the number of copies he will have after15 cycles of the PCR.
Describe how the two strands of DNA are oriented with respect to each other.
1) The function of ligase is to seal nicks in the backbone of a DNA strand. The function of AP endonuclease is to create a nick in the backbone of a DNA molecule adjacent to an apurinic site, which allows DNA polymerase II access to the DNA to repair the damage and prevent a mutation resulting from the use of a damaged or erroneous strand of DNA as template during DNA replication. Why doesn't ligase simply seal up the nicks the AP endonuclease introduces before DNA pol II can do anything?
3) Why are single strand binding proteins (ssb proteins) needed in DNA replication? (note that you need to explain WHY ssb proteins are important, not just what they do)
1. A portion of one strand of DNA has the sequence 5′ ATTCGGTAA 3′. If this strand is used as a template for DNA replication, which of the following correctly depicts the sequence of the newly synthesized strand in the direction in which it will be synthesized? Group of answer choices a. 5' TTACCGAAT 3' b. 3′ AATGGCTTA 5′ c. 5′ TAAGCCATT 3′ d. 3′ TTACCGAAT 5′ 2. The following represents a DNA strand in the process of replication. The bottom sequence is that of the DNA strand with polarity indicated and the top sequence represents the RNA primer. GGGGCCUUG 5′ TATAACCCCGGAACACTATAC 3′ Which of the following will be the first DNA nucleotide added to the primer? Group of answer choices a. C b. G c. A d. T 3. A scientist, Dr. Doom would like to create a novel antibiotic by targeting translation in bacterial cells. Which enzyme(s) would Dr. Doom need to target to prevent translation at the transcriptional stage? Group of answer choices a. RNA Polymerase…
4) Replication of a circular DNA molecule can occur by either theta replication or by rolling circle replication. Describe or explain three differences between these two modes of DNA replication (you must accurately describe the differences between the two - an accurate statement about one form of replication that does not clearly indicate how the other form differs will not answer the qestion in it's entirety).

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