Homework Answers
Ans 5. In this model, two DNA strands separata from each other, and each of the strands and serve as a template for the synthesis of new DNA. The product contains two strands one from parentral and one newly synthesized DNA.
Ans 6. The leading strand is synthesized continuously, while lagging strand is synthesized in small pieces termed plaza ki fragments.
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5. What is the semiconservative model of replication? 6. Distinguish between the leading and the lagging...
How did Meselson and Stahl distinguish between semiconservative and conservative replication in their experiment? a After...
How did Meselson and Stahl distinguish between semiconservative and conservative replication in their experiment? a After two rounds of replication, only mixed DNA molecules were present in the gradient. b After one round of replication, only mixed DNA molecules were present in the gradient. c After one round of replication, only heavy DNA molecules were present in the gradient. d After one round of replication, only mixed DNA strands were present in alkaline gradients.
5a. For the replication fork shown below: - label the leading and lagging strands; - draw...
5a. For the replication fork shown below: - label the leading and lagging strands; - draw arrows to indicate which direction DNA synthesis is proceeding in for each of these strands; - label their 5' and 3' ends. Replication fork movement →→→ 5'-ATCTGGCAGTACGTACTGGATC CGUCAUGC GTCGAATCTGAC-3' CAGCTTAGACTG-5' ATCTGGCTATTCGT 3'-TAGACCGATAAGCATGACCTAG b. Okazaki fragments are generated during (leading / lagging) strand synthesis (circle the correct answer). c. Some U's are included in one of the strands in the figure. Why are there U's...
What figure correctly depicts the direction of replication of the leading and lagging strands at replication...
What figure correctly depicts the direction of replication of the leading and lagging strands at replication fork? (All lines with arrows show the newly synthesized DNA and indicate the direction of polymerization. The 5' and 3 designations are indicated on the template DNA.) A) A B) B C) C D) D E) E
In the replication fork, label the leading and lagging strands and the...
In the replication fork, label the leading and lagging strands and the 5' and 3' ends of the DNA and RNA molecules. The 5 and 3' labels are used multiple times.
Describe the process of DNA replication. (Your answer should include the following: replication fork, semiconservative replication,...
Describe the process of DNA replication. (Your answer should include the following: replication fork, semiconservative replication, replication fork, DNA gyrase, helicase, primase, DNA polymerase, DNA ligase, leading strand, lagging strand, continuous replication, non-continuous replication, and Okazaki fragment)
Draw a diagram showing a portion of a chromosome undergoing replication. Label the leading and lagging...
Draw a diagram showing a portion of a chromosome undergoing replication. Label the leading and lagging strands, and replication fork. What are the roles of DNA polymerase and RNA polymerase? How does this process represent semi-conservative replication?
The lagging strand in DNA replication?: (A) is synthesized after the leading strand. (B) causes the...
The lagging strand in DNA replication?: (A) is synthesized after the leading strand. (B) causes the formation of Okazaki fragments in the leading strand. (C) is a consequence of replicating both strands of template DNA at a single replication fork. (D) requires its own replisome.
The semiconservative model for DNA replication is characterized by A. Two parental strands separate and serve...
The semiconservative model for DNA replication is characterized by A. Two parental strands separate and serve as a template B. "New made, complimentary DNA strands are formed in each daughter cell." C. After two rounds of replication, all daughter cells will have some DNA components from the original parent cell. D. A & B E. A, B, & C
QUESTION 3 The form of replication used by DNA is conservative. semiconservative. O dispersion. cumulo-nimbus QUESTION...
QUESTION 3 The form of replication used by DNA is conservative. semiconservative. O dispersion. cumulo-nimbus QUESTION 4 The short fragments of the lagging strand are called Okazaki fragments. polymerase leading segments radioactivity molecules. QUESTION 5 0.5 points Which of the following are symbols for the four bases that are part of the make up of a DNA molecule? O A BT, G O CGAH O ATG,C O A U,G,C QUESTION 6 0.5 point In DNA replication, helicase is a protein...
6. Gel Electrophoresis separates different molecules on the basis of A) Size B) charge C) solubility...
6. Gel Electrophoresis separates different molecules on the basis of A) Size B) charge C) solubility D) both size and charge 7. Distinguish between leading and lagging strand. 8. How is DNA replication different in eukaryotes from bacteria? 9. Explain semiconservative model of DNA replication 10. Distinguish between helicases and topoisomerases
5a. For the replication fork shown below: - label the leading and lagging strands; - draw arrows to indicate which direction DNA synthesis is proceeding in for each of these strands; - label their 5' and 3' ends. Replication fork movement →→→ 5'-ATCTGGCAGTACGTACTGGATC CGUCAUGC GTCGAATCTGAC-3' CAGCTTAGACTG-5' ATCTGGCTATTCGT 3'-TAGACCGATAAGCATGACCTAG b. Okazaki fragments are generated during (leading / lagging) strand synthesis (circle the correct answer). c. Some U's are included in one of the strands in the figure. Why are there U's...
What figure correctly depicts the direction of replication of the leading and lagging strands at replication fork? (All lines with arrows show the newly synthesized DNA and indicate the direction of polymerization. The 5' and 3 designations are indicated on the template DNA.) A) A B) B C) C D) D E) E
QUESTION 3 The form of replication used by DNA is conservative. semiconservative. O dispersion. cumulo-nimbus QUESTION 4 The short fragments of the lagging strand are called Okazaki fragments. polymerase leading segments radioactivity molecules. QUESTION 5 0.5 points Which of the following are symbols for the four bases that are part of the make up of a DNA molecule? O A BT, G O CGAH O ATG,C O A U,G,C QUESTION 6 0.5 point In DNA replication, helicase is a protein...
6. Gel Electrophoresis separates different molecules on the basis of A) Size B) charge C) solubility D) both size and charge 7. Distinguish between leading and lagging strand. 8. How is DNA replication different in eukaryotes from bacteria? 9. Explain semiconservative model of DNA replication 10. Distinguish between helicases and topoisomerases
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