Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 9, Problem 14CONQ
Draw the structure of deoxyribose and number the carbon atoms. Describe the numbering of the carbon atoms in deoxyribose with regard to the directionality of a DNA strand. In a DNA double helix, what does the term antiparallel mean?
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Draw the structure of deoxyribose and number the carbon atoms.Describe the numbering of the carbon atoms in deoxyribose withregard to the directionality of a DNA strand. In a DNA doublehelix, what does the term antiparallel mean?
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 .
Calculate the net force that thymine exerts on adenine. To keep the calculations fairly simple, yet reasonable, consider only the forces due to the O−H−N and the N−H−N combinations, assuming that these two combinations are parallel to each other. Remember, however, that in the O−H−N set, the O− exerts a force on both the H+ and the N−, and likewise along the N−H−N set.
Express your answer in newtons.
Is the net force attractive or repulsive?
In the DNA double-helix structure, the larger of the two grooves
formed by the helical twist where certain base pairs are exposed is
called the:
Chapter 9 Solutions
Genetics: Analysis and Principles
Ch. 9.1 - In the experiment of Avery, McLeod, and McCarty,...Ch. 9.1 - In the Hershey and Chase experiment involving T2...Ch. 9.2 - Going from simple to complex, which of the...Ch. 9.3 - Which of the following could be the components of...Ch. 9.3 - Prob. 2COMQCh. 9.4 - Prob. 1COMQCh. 9.5 - Prob. 1COMQCh. 9.5 - Prob. 2COMQCh. 9.6 - 1. Which of the following is not a feature of the...Ch. 9.6 - 2. A groove in the DNA refers to
a. the...
Ch. 9.6 - Prob. 3COMQCh. 9.7 - 1. A double-stranded region of RNA
a. forms a...Ch. 9 - 1. What is the meaning of the term genetic...Ch. 9 - Prob. 2CONQCh. 9 - 3. Look up the meaning of the word transformation...Ch. 9 - Prob. 4CONQCh. 9 - 5. Draw the structures of guanine, guanosine, and...Ch. 9 - Prob. 6CONQCh. 9 - 7. Describe how bases interact with each other in...Ch. 9 - Prob. 8CONQCh. 9 - 9. What is meant by the term DNA sequence?
Ch. 9 - Make a side-by-side drawing of two DNA helices:...Ch. 9 - 11. Discuss the differences in the structural...Ch. 9 - What part(s) of a nucleotide (namely, phosphate,...Ch. 9 - List the structural differences between DNA and...Ch. 9 - Draw the structure of deoxyribose and number the...Ch. 9 - Write a sequence of an RNA molecule that could...Ch. 9 - Compare the structural features of a...Ch. 9 - Which of the following DNA double helices would be...Ch. 9 - What structural feature allows DNA to store...Ch. 9 - Prob. 19CONQCh. 9 - Prob. 20CONQCh. 9 - Prob. 21CONQCh. 9 - 22. On further analysis of the DNA described in...Ch. 9 - Prob. 23CONQCh. 9 - Prob. 24CONQCh. 9 - In what ways are the structures of an helix in a...Ch. 9 - Prob. 26CONQCh. 9 - Prob. 27CONQCh. 9 - 28. What chemical group (phosphate group, hydroxyl...Ch. 9 - The base composition of an RNA virus was analyzed...Ch. 9 - Prob. 30CONQCh. 9 - Prob. 31CONQCh. 9 - Prob. 32CONQCh. 9 - Prob. 33CONQCh. 9 - As described in Chapter 15, the methylation of...Ch. 9 - 35. An RNA molecule has the following sequence:...Ch. 9 - 1. Genetic material acts as a blueprint for an...Ch. 9 - 2. With regard to the experiment described in...Ch. 9 - Prob. 3EQCh. 9 - Prob. 4EQCh. 9 - 5. With regard to Chargaff’s experiment described...Ch. 9 - 6. Gierer and Schramm exposed plant tissue to...Ch. 9 - 1. Try to propose structures for a genetic...Ch. 9 - Prob. 2QSDC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- How many kilobases of the DNA strand below will code for the protein product?arrow_forwardThe double helical structure of DNA is intrinsically unstable and easily dissociates to form two separate strands. Why? How does this affect the two key biological functions of chromosomal DNA? What would happen if the DNA helices were too stable?arrow_forwardThe base composition for one of the strands of a DNA double helix is 19% A, 34% C, 28% G, and 19% T. What is the percent base composition for the other strand of the DNA double helix?arrow_forward
- Write the sequence of the complementary DNA strand that pairs with each of the following DNA base sequences:(a) TTAGCC(b) AGACATarrow_forwardGive the complimentary DNA strand for the following:ACG TAG CTA GTC AGT CGT AGC Give the RNA strand for the following:ACG TAG CTA GTC AGT CGT AGC Using the provided amino acid table and the RNA strand you created in #2, create the amino acid sequence: Name and explain two different ways in which DNA can be damaged. Once DNA is damaged, can we repair it? If not, what are some possible outcomes from the damaged DNA?arrow_forwardA B-DNA molecule has 1 million nucleotide pairs. How many complete turns of the helix are there in this molecule?arrow_forward
- A double-stranded DNA molecule is 1 cm long, and the percentage of adenine is 15%. How many cytosines does this DNA molecule contain?arrow_forwardThe compound known as nitrous acid is a reactive chemical that replaces amino groups (NH2) with keto groups (=O). When nitrous acid reacts with the bases in DNA, it can change cytosine to uracil and change adenine to hypoxanthine. A DNA double helix has the following sequence: AACCTACGACC TTGGATGCTGG A. What would be the sequence of this double helix immediately after reaction with the nitrous acid (i.e. before replication)? Let the letter H represent hypoxanthine and U represent uracil. B. Following exposure the nitrous acid was removed, and the DNA was replicated for one generation. What would be the sequence of the DNA products after the DNA sequence resulting from treatment in Part A had replicated once? Your answer should contain the sequences of two double stranded DNA molecules. Note: During DNA replication, uracil hydrogen bonds with adenine, and hypoxanthine hydrogen bonds with cytosine.arrow_forwardA double-stranded molecule of B DNA contains 340 nucleotides. How many complete turns occur in this double helix?arrow_forward
- DNA molecules of different sizes are often separated with the use of a technique called electrophoresis . With this technique, DNA molecules are placed in a gel, an electrical current is applied to the gel, and the DNA molecules migrate toward the positive (+) pole of the current. What aspect of its structure causes a DNA molecule to migrate toward the positive pole?arrow_forwardWrite the sequence of the complementary DNA strand thatpairs with each of the following DNA base sequences:(a) GGTTAC(b) CCCGAAarrow_forwardSelect the phrases that accurately describe properties of the most common form of the DNA double helix. DNA contains equal amounts of adenine and thymine and equal amounts of cytosine and guanine. The nitrogenous bases are exposed to the solvent, whereas the sugar-phosphate backbone of each nucleotide strand is in the interior of the double helix. The phosphodiester bonds between nucleotide residues run in opposite directions in the two strands. Base pairs have a spacing of 3.4 Å. A helical turn consists of about 3.4 base pairs.arrow_forward
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