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Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 10, Problem 16P
Interpretation Introduction
Interpretation:
The length of a
Concept introduction:
A nucleotide refers to a basic DNA building block and structural unit. It contains a five-sided sugar, a phosphate group and a nitrogenous base. The nucleotides join together to form a chain of DNA. There are four base types of DNA: adenine (A), cytosine (C), guanine (G) and thymine (T).
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Chapter 10 Solutions
Biochemistry
Ch. 10 - Answers to all problems are at the end of this...Ch. 10 - Answers to all problems are at the end of this...Ch. 10 - Answers to all problems are at the end of this...Ch. 10 - Answers to all problems are at the end of this...Ch. 10 - Answers to all problems are at the end of this...Ch. 10 - Answers to all problems are at the end of this...Ch. 10 - Answers to all problems are at the end of this...Ch. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10P
Ch. 10 - Answers to all problems are at the end of this...Ch. 10 - Prob. 12PCh. 10 - Prob. 13PCh. 10 - Prob. 14PCh. 10 - Answers to all problems are at the end of this...Ch. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - Prob. 19PCh. 10 - Answers to all problems are at the end of this...
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- Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Preparing cDNA Libraries from Different Cells Describe an experimental protocol for the preparation of to cDNA libraries, one from anaerobically grown yeast cells and the second from aerobically grown yeast cell.arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. An Estimation of Minimal Genome Size for a Living Cell Studies of existing cells to determine the minimum number of genes for a living cell have suggested that 206 genes are sufficient. If the ratio of protein-coding genes to non-protein-coding genes is the same in this minimal organism as the genes of Mycoplasma genitulium, how many proteins are represented in these 206 genes. How many base pairs would be required to form the genome of this minimal organism if the genes are the same size as M genilalium genes? (Section 1.5)arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Chargaff’s Rules for the Base Composition of DNA Chargaff’s results (Table 10.1) yielded a molar ratio of 1 1.29 for A to G in ox DNA, 1.43 for T to C, 1.04 for A to T, and 1.00 for G to C. Given these values, what are the approximate mole fractions of A. C, G. and T in ox DNA?arrow_forward
- Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Abundance of the Different Bases in the Human Genome Results on the human genome published in Science (Science 291 :1304—1350 [2001]) indicate that the haploid human genome consists of 2.91 gigabase pairs (2.91 X ]09 base pairs} and that 27% of the bases in human DNA are A. Calculate the number of A. T, G, and C residues in a typical human cell.arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Deducing DNA Sequence from Sanger Sequencing Results The output of an automated DNA sequence determination by the Sanger dideoxy chain termination method, performed as illustrated in Figure 11.3, is disp1ayed at right. What is the sequence of the original oligonucleotide?arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. B- and Z-DNA Supercoiling Parameters Suppose one double helical turn of a superhelical DNA molecule changes conformation from B- to Z-form. What are the changes in L, W, and T? Why do you suppose the transition of DNA from B- to Z-form is favored by negative supercoiling?arrow_forward
- Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Calculate the Frequency of Occurrence of an RNAi Target Sequence The RNAs acting in RNAi are about 21 nucleotides long. To judge whether it is possible to uniquely target a particular gene with a RNA of this size, consider The following calculation: What is the expected frequency of occurrence of a specific 21-nucleotide sequence?arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Calculate the Number of Nucleosomes in a Human Diploid Cell Assume that there is one nucleosome for every 200 bp of eukaryotic DNA. How many nucleosomes are there in a diploid human cell? Nucleosomes in be approximated a disks 11 nm in diameter and 6 nm long. If all the DNA molecules in a diploid human cell are in the B-conformation, what is the sum of their lengths? If this DNA is now arrayed on nucleosomes in the beads-on-a-string motif, what would be the approximate total height of the nucleosome column if these disks were stacked atop one another?arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. B- and Z-DNA Helical Parameters I A 41.5-nm-long duplex DNA molecule in the B conformation adopts the A-conformation upon dehydration. How long is it now? What is its approximate number of base pairs?arrow_forward
- Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Calculating Tms and Separating DNA Molecules That Differ in G:C Content At 0.2 M Na+, the melting temperature of double-stranded DNA is given by the formula, Tm = 69.3 + 0 41 (% G + C). The DNAs from mice and rats have (G + C) contents of 44% and 40%, respectively. Calculate the Tms for these DNAs in 0.2 M NaCl. If samples of these DNAs were inadvertently mixed, how might they be separated from one another?arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. B-and Z-DNA Helical Parameters II If 80% of the base pairs in a duplex DNA molecule (12.5 kbp) are in the B-conformation and 20% are in the Z-conformation, what is the length of the molecule?arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. The Base Sequence in the Two Polynucleotide Chairs of a DNA Double Helix Is Complementary Adhering to the convention of writing nucleotide sequences in the 5' 3' direction, what is the nucleotide sequence of the DNA strand that is complementary to d-ATCGCAACTGTCACTA?arrow_forward
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