One strand of a single DNA helix is labeled red while the other strand of the same DNA helix is labeled blue. This double helix DNA is replicated through the process of semi-conservative replication. Note that a completely newly synthesized strand of DNA will be white. After three rounds of DNA replication, how many all-white DNA (both strands are white) will there be? Explain your reasoning

One strand of a single DNA helix is labeled red while the other strand of the same DNA helix is labeled blue. This double helix DNA is replicated through the process of semi-conservative replication. Note that a completely newly synthesized strand of DNA will be white. After three rounds of DNA replication, how many all-white DNA (both strands are white) will there be? Explain your reasoning

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter8: The Structure, Replication, And Chromosomal Organization Of Dna

Section: Chapter Questions

Problem 12QP: DNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What...

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DNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What are the consequences of this difference in strength?
As a result of DNA replication two DNA molecules come into existence. Why is it not correct to assert that two “new” DNA molecules are created? What is the name given to the process concerning that fact?
Why is the replication of DNA referred to as a semiconservative process? What is the experimental evidence for the semiconservative nature of the process? What experimental results would you expect if replication of DNA were a conservative process?
A circular molecule of DNA contains 1 million base pairs. If the rate of DNA synthesis at a replication fork is 100,000 nucleotides per minute, how much time will theta replication require to completely replicate the molecule, assuming that theta replication is bidirectional? How long will replication of this circular chromosome by rolling-circle replication take? Ignore replication of the displaced strand in rolling-circle replication.
In a DNA double helix, why doesn't an A or T form two hydrogen bonds (out of the three possible ) with G or C? Explain how DNA replication is bidirectional and discontinuous in nature?
What factors promote the fidelity of replication during the synthesis of the leading strand of DNA? Would you expect the lagging strand to be made with the same fidelity? Why or why not? Explain your answer briefly.
The speed of DNA replication at a replication fork is about 100 nucleotides per second in human cells. What is the minimum number of origins of replication that a human cell must have if it is to replicate its DNA once every 24 hours?
During DNA replication, the template sequence 5' ATAGGCC 3' would produce which one of the following sequences for the complementary strand? a. 5' GGCCTAT 3' b. 5' CCGGATA 3' c. 5' ATAGGCC 3' d. 5' TATCCGG 3'
The two strands of a DNA double helix can be separated by heating. if you raised the temperature of a solution containing the following three DNA molecules, in what order do you suppose they would “melt”? explain your answer.A. 5’-GCGGGCCAGCCCGAGTGGGTAGCCCAGG-3’ 3’-CGCCCGGTCGGGCTCACCCATCGGGTCC-5’ B. 5’-ATTATAAAATATTTAGATACTATATTTACAA-3’ 3’-TAATATTTTATAAATCTATGATATAAATGTT-5’C. 5’-AGAGCTAGATCGAT-3’ 3’-TCTCGATCTAGCTA-5’
A portion of one strand of DNA has the sequence 5′ AATGGCTTA 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? 5′ TAAGCCATT 3′ 5′ TTACCGAAT 3′ 3′ AATGGCTTA 5′ 3′ TTACCGAAT 5′ 5′ AATGGCTTA 3′
The following DNA sequence is at the start of a DNA strand: 3'—AATTCGAGATTCA—5'. Which of the primer sequences below would be synthesized from this strand by DNA primase to initiate DNA replication? Group of answer choices a 3'—TTAACGTCTAAGT—5' b 3'—UUAAGCUCUAAGU—5' c 5'—TTAACGTCTAAGT—3' d 5'—UUAAGCUCUAAGU—3'
Which of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotide