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1 out of 8 attempts The two strands of the DNA molecule are held together by...
Which of the following is true? a. The two strands of a DNA molecule are held...
Which of the following is true? a. The two strands of a DNA molecule are held together by covalent bonds. b. Hydrogen bonding between complementary base pairs causes the DNA molecule to twist into a spiral. c. A single strand within a DNA molecule is held together by hydrogen bonds. d. The bases on one strand of DNA are held to the bases on the other strand by hydrogen bonds.
In the DNA double helix, 2 strands of DNA are joined together through the hydrogen bonding...
In the DNA double helix, 2 strands of DNA are joined together through the hydrogen bonding of the individual base pairs. The base Guanine bonds to which other base. Answers: a. uracil b. cytosine c. thymine d. adenine
can you help me with this problem, since I don't know which charges I have to...
can you help me with this problem, since I don't know which
charges I have to consider in summing the different contributes of
the energy.
thanks
Question Hydrogen bonding is responsible for many of the unusual properties of water. A simplified A model represents a hydrogen bond as the electrostatic interaction of four point charges arranged along a straight line, as shown in the figure. Round your intermediate calculations and final answers to 4 significant figures. (a) Using this model,...
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bo...
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bonds d. Gyrases 19. How many hydrogen bonds between Adenine and Thymine? a. b. 2 c. 3 d. 4 20. How many hydrogen bonds between Cytosine and Guanine? b. 2 d. 4 21. Which ones are weaker? a. Hydrogen bonds b. Covalent bonds 22. The nature of the double helix is that it is: a. Parallel arranged b. Perpendicularly arranged c. Antiparallel arranged...
How DNA Is Copied 4. What does it mean that the two strands of DNA are...
How DNA Is Copied 4. What does it mean that the two strands of DNA are complementary? 5. What is DNA replication?, 6. Using your notes, book, and this assignment, place the steps of DNA replication in the correct order. a. The enzyme DNA polymerase moves along the exposed strands and adds complementary nucleotides to each nucleotide in each existing strand. b. The DNA double helix breaks or unzips down the middle between the base pairs. C. A complementary strand...
Exercise 23.6 The two sides of the DNA double helix are connected by pairs of bases...
Exercise 23.6 The two sides of the DNA double helix are connected by pairs of bases (adenine, thymine, cytosine, and guanine). Because of the geometric shape of these molecules, adenine bonds with thymine and cytosine bonds with guanine. The figure shows the thymine- adenine bond. Each charge shown is te and the H N distance is 0.110 nm. (Figure 1) Figure 1 of 1 > k 0.280 Onm Thymine Adenine k 0300 N) Part B Compare this energy with the...
Below are bases used in nucleic acids. (a) why are they called bases-what allows them to act as a base? (b) the two str...
Below are bases used in nucleic acids. (a) why are they called bases-what allows them to act as a base? (b) the two strands of DNA are held together in the double helix form by hydrogen bonds between complementary base pairs. What is a hydrogen bond? (c) Suppose a new disease appears that creates covalent, rather than hydrogen, bonds between the two strands of DNA (this is VERY unlikely!). If you had to design a drug to combat the disease,...
The two sides of the DNA double helix are connected by pairs of bases (adenine, thymine,...
The two sides of the DNA double helix are connected by pairs of bases (adenine, thymine, cytosine, and guanine). Because of the geometric shape of these molecules, adenine bonds with thymine and cytosine bonds with guanine. The figure (Figure 1) shows the thymine-adenine bond. Each charge shown is ±e, and the H−N distance is 0.110 nm.A) Calculate the net force that thymine exerts on adenine. To keep the calculations fairly simple, yet reasonable, consider only the forces due to the...
QUESTION 44 west Because hydrogen bonds hold the two strands of a DNA molecule together, the...
QUESTION 44 west Because hydrogen bonds hold the two strands of a DNA molecule together, the strands can be separated ("melted") without breaking any covalent bonds. To melting temperature) is the point at which two strands separate, or become denatured. Order the DNA sequences listed below, according to relative meting temperatures from Tm to highest Tm). Assume that they all begin as stable double-stranded DNA molecules at room temperature i) CGGCGAGCCAGCCCCG 11) TTAATTGITTGTCTCT iii) GTACCCGTCCTGTGAC iv) CCTAATAGACGCTGOT OAI<tcllci Biliv Ochellesi...
Unwinds DNA strand to make replication fork. Adds free nucleotides to the growing daughter DNA strands...
Unwinds DNA strand to make replication fork. Adds free nucleotides to the growing daughter DNA strands Adds short pieces of RNA to help DNA polymerase start Removes RNA and replaces with DNA Fuses or "glues" fragments of DNA together Proofreads or edits the DNA, checking for mistakes Given the following, DNA Sequence, what is the new daughter strand? (Did you label the 5' and 3' ends?) What is the name of the "fragments" of DNA on the lagging strand after...
can you help me with this problem, since I don't know which
charges I have to consider in summing the different contributes of
the energy.
thanks
Question Hydrogen bonding is responsible for many of the unusual properties of water. A simplified A model represents a hydrogen bond as the electrostatic interaction of four point charges arranged along a straight line, as shown in the figure. Round your intermediate calculations and final answers to 4 significant figures. (a) Using this model,...
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bonds d. Gyrases 19. How many hydrogen bonds between Adenine and Thymine? a. b. 2 c. 3 d. 4 20. How many hydrogen bonds between Cytosine and Guanine? b. 2 d. 4 21. Which ones are weaker? a. Hydrogen bonds b. Covalent bonds 22. The nature of the double helix is that it is: a. Parallel arranged b. Perpendicularly arranged c. Antiparallel arranged...
How DNA Is Copied 4. What does it mean that the two strands of DNA are complementary? 5. What is DNA replication?, 6. Using your notes, book, and this assignment, place the steps of DNA replication in the correct order. a. The enzyme DNA polymerase moves along the exposed strands and adds complementary nucleotides to each nucleotide in each existing strand. b. The DNA double helix breaks or unzips down the middle between the base pairs. C. A complementary strand...
Exercise 23.6 The two sides of the DNA double helix are connected by pairs of bases (adenine, thymine, cytosine, and guanine). Because of the geometric shape of these molecules, adenine bonds with thymine and cytosine bonds with guanine. The figure shows the thymine- adenine bond. Each charge shown is te and the H N distance is 0.110 nm. (Figure 1) Figure 1 of 1 > k 0.280 Onm Thymine Adenine k 0300 N) Part B Compare this energy with the...
Below are bases used in nucleic acids. (a) why are they called bases-what allows them to act as a base? (b) the two strands of DNA are held together in the double helix form by hydrogen bonds between complementary base pairs. What is a hydrogen bond? (c) Suppose a new disease appears that creates covalent, rather than hydrogen, bonds between the two strands of DNA (this is VERY unlikely!). If you had to design a drug to combat the disease,...
The two sides of the DNA double helix are connected by pairs of bases (adenine, thymine, cytosine, and guanine). Because of the geometric shape of these molecules, adenine bonds with thymine and cytosine bonds with guanine. The figure (Figure 1) shows the thymine-adenine bond. Each charge shown is ±e, and the H−N distance is 0.110 nm.A) Calculate the net force that thymine exerts on adenine. To keep the calculations fairly simple, yet reasonable, consider only the forces due to the...
QUESTION 44 west Because hydrogen bonds hold the two strands of a DNA molecule together, the strands can be separated ("melted") without breaking any covalent bonds. To melting temperature) is the point at which two strands separate, or become denatured. Order the DNA sequences listed below, according to relative meting temperatures from Tm to highest Tm). Assume that they all begin as stable double-stranded DNA molecules at room temperature i) CGGCGAGCCAGCCCCG 11) TTAATTGITTGTCTCT iii) GTACCCGTCCTGTGAC iv) CCTAATAGACGCTGOT OAI<tcllci Biliv Ochellesi...
Unwinds DNA strand to make replication fork. Adds free nucleotides to the growing daughter DNA strands Adds short pieces of RNA to help DNA polymerase start Removes RNA and replaces with DNA Fuses or "glues" fragments of DNA together Proofreads or edits the DNA, checking for mistakes Given the following, DNA Sequence, what is the new daughter strand? (Did you label the 5' and 3' ends?) What is the name of the "fragments" of DNA on the lagging strand after...
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**86 at 40 not 88. please show how got Tr in calculations thank
you
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