Campbell Biology, Volume 1 - With Access (Custom)
2nd Edition
ISBN: 9781323170106
Author: Reece
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 3TYU
In analyzing the number of different bases in a DNA sample, which result would be consistent with the base-pairing rules?
(A) A = G
(B) A+G = C+T
(C) A+T = G+C
(D) A = C
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Which DNA fragment, A, B, C, D, E, or F, is the largest?Which two DNA fragments are the same size? Select all that apply. Which DNA fragment, B, C, D, or E is about the same size as the lengths of the fragment A and fragment F added together?
With regard to Chargaff’s experiment described in Figure shown,answer the following:A. What is the purpose of paper chromatography?B. Explain why it is necessary to remove the bases in order todetermine the base composition of DNA.C. Would Chargaff’s experiments have been convincing if theyhad been done on DNA from only one species? Discuss.
Let’s assume the linker region of DNA averages 54 bp in length. How many molecules of H2A would you expect to find in a DNA sample that is 46,000 bp in length?
Chapter 16 Solutions
Campbell Biology, Volume 1 - With Access (Custom)
Ch. 16.1 - Given a polynucleotide sequence such as GAATTC,...Ch. 16.1 - VISUAL SKILLS Griffith was trying to develop a...Ch. 16.2 - What role does complementary base pairing play in...Ch. 16.2 - Identify two major functions of DNA pol III in DNA...Ch. 16.2 - Prob. 3CCCh. 16.2 - Prob. 4CCCh. 16.3 - Describe the structure of a nucleosome, the basic...Ch. 16.3 - What two properties, one structural and one...Ch. 16.3 - MAKE CONNECTIONS Interphase chromosomes appear to...Ch. 16 - What does it mean wheti we say that the two DNA...
Ch. 16 - DRAW IT Redraw the Punnett Square on The right...Ch. 16 - Describe the levels of chromatin packing you'd...Ch. 16 - In his work with pneumonia-causing bacteria and...Ch. 16 - What is the basis for tlie difference in how the...Ch. 16 - In analyzing the number of different bases in a...Ch. 16 - Prob. 4TYUCh. 16 - In a nucleosome, the DNA is wrapped around (A)...Ch. 16 - E. coli cells grown on, 15N medium are transferred...Ch. 16 - A biochemist isolates, purifies, and combines in a...Ch. 16 - The spontaneous loss of amino groups from adenine...Ch. 16 - MAKE CONNECTIONS Although the proteins that cause...Ch. 16 - EVOLUTION CONNECTION Some bacteria may be able to...Ch. 16 - Prob. 11TYUCh. 16 - Prob. 12TYUCh. 16 - Prob. 13TYU
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- Suppose a piece of DNA is cut into four fragments of varying sizes. Where would you expect to find the larger fragments on the gel (top, middle, or bottom)? Why? Suppose you had 1000 pieces of each of the four fragments, how many bands would appear on the gel?arrow_forwardThe Bacteria Escherichia coli DNA genome has a molecular mass of about 3.1 X 109 In your answers, show how you came up to each result? (a) How many base pairs does this bacterium contain? (b) How many full double-helical turns does this DNA contain? (c) How long is this DNA in mm?arrow_forwardAccording to the Watson- Crick model how many polynucleotide chains does a DNA molecule have?arrow_forward
- Which of the following (A through E ) would you expect to find in a nucleotide chain constructed for Sanger sequencing?arrow_forwardExplain , What holds the sides of the DNA ladder together?arrow_forwardA student has drawn an enlarged portion of a DNA “ladder” model to show two of the nucleotides in greater detail (in the same orientation as they would occur in the ladder model). Which two nucleotides did the student draw?arrow_forward
- If the length of E. coli DNA is 1.36 mm, can you calculate the number of base pairs in E.coli?arrow_forwardIn Noll’s experiment to test the beads-on-a-string model, exposure of nuclei to a low concentration of DNase I resulted ina. a single band of DNA with a size of approximately 200 bp.b. several bands of DNA in multiples of 200 bp.c. a single band of DNA with a size of 100 bp.d. several bands of DNA in multiples of 100 bparrow_forwardWhat would be the most obvious characteristic of the base distribution of a single-stranded DNA molecule?arrow_forward
- When proteins are separated using native gel electrophoresis, size, shape, and charge control their rate of migration on the gel. Why does DNA separate based on size, and why do we not worry much about shape or charge?arrow_forwardHow many possible nucleotide sequences are there for a stretch of DNA that is N nucleotides long, if it is (a) single- stranded or (b) double-stranded?arrow_forwardWhat defines one end of a DNA molecule as the 5’ end? a. What defines the other end at the 3’ end? b. When two strands of DNA are paired together to form a functional molecule, what is interesting to note about their 5’ and 3’ ends?arrow_forward
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