7. Which of the following best characterizes the events that occur at an origin of DNA replication?A. One replication fork forms, with one leading strand and one lagging strand synthesized at thefork.B. One replication fork forms, with two leading strands and two lagging strands synthesized atthe fork.C. Two replication forks form, with one leading strand and one lagging strand synthesized ateach fork.D. Two replication forks form, with one leading strand synthesized at one fork and one laggingstrand synthesized at the other.E. Two replication forks form, with two leading strands synthesized at one fork and two laggingstrands synthesized at the other.

Replication is the process of duplication of individual strands of a double stranded DNA. The…

Answered: 7. Which of the following best…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Which of the following is associated with only the lagging strand during DNA replication? a. RNA primers b. DNA Polymerase I c. DNA Polymerase III d. Okazaki Fragments e. DNA Gyrase 20.
1. From the given DNA strands:a. Identify the template and non-template strand.b. Give the mRNA product when the DNA is transcribed.c. What is the resulting amino acid sequence which will result from the mRNA?
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. An embryo replicates its DNA every 5 minutes. What is the maximum distance that origins of replication should be apart if DNA polymerase copies 10 nucleotides/sec? a. 300 bp b. 600 bp c. 2000 bp d. 3000 bp e. 6000 bp
9. During replication, what protein is responsible for the synthesis of a short ribonucleotide sequence? A. A helicase B. A DNA polymerase C. A primase D. A topoisomerase E. A ribosome
7. Replication factor C plays which of the following roles in eukaryotic DNA replication?A. the sliding clampB. the clamp loaderC. the DNA ligaseD. a single-stranded DNA binding proteinE. a cofactor required for activating the DNA polymerase 8. Phages that program the host cell for continued particle releasing without killing the cell are called ____________ phages.A. lyticB. lysogenicC. temperateD. chronicE. none of the above 9. Retroviruses use _______ to make a DNA copy of their RNA genome.A. restriction enzymesB. DNA polymerase IC. RNA polymerase IID. reverse transferaseE. reverse transcriptase
1. Describe and list the steps involved in DNA replication. 2. Create a timeline of transcribing events. 3. Outline the steps of the translation process. 4. Describe the mechanism of action of antibiotics that target the protein synthesis process.
A fragment of DNA has the sequence 5'-ATCCGCT-3'. Following DNA replication, the complementary strand is 3'-TAAGCGA-5'. What type of mutation occurred? a. Frameshift b. Transversion c. Pyrimidine dimer d. Transition

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