EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Textbook Question
Chapter 13, 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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How many base pairs are there in a 6.8 nanometer DNA sequence?
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What is the purpose of Bromophenol Blue in electrophoresis?
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Chapter 13 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 13.1 - Given a polynucleotide sequence such as GAATTC,...Ch. 13.1 - Prob. 2CCCh. 13.2 - What role does base pairing play in the...Ch. 13.2 - Make a table listing the functions of seven...Ch. 13.2 - MAKE CONNECTIONS What is the relationship between...Ch. 13.3 - Describe the structure of a nucleosome, the basic...Ch. 13.3 - What two properties, one structural and one...Ch. 13.4 - Prob. 1CCCh. 13.4 - DRAW IT One strand of a DNA molecule has the...Ch. 13.4 - Describe the role of complementary base pairing...
Ch. 13 - In his work with pneumonia-causing bacteria and...Ch. 13 - What is the basis for the difference in how the...Ch. 13 - In analyzing the number of different bases in a...Ch. 13 - The elongation of the leading strand during DNA...Ch. 13 - Prob. 5TYUCh. 13 - Prob. 6TYUCh. 13 - Prob. 7TYUCh. 13 - Prob. 8TYUCh. 13 - Prob. 9TYUCh. 13 - MAKE CONNECTIONS Although the proteins that cause...Ch. 13 - Prob. 12TYUCh. 13 - FOCUS ON EVOLUTION Some bacteria may be able to...Ch. 13 - FOCUS ON ORGANIZATION The continuity of life is...
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- How do amino acids in DNA-binding proteins interact with DNA? a. By forming covalent bonds with DNA bases b. By forming hydrogen bonds with DNA bases c. By forming covalent bonds with DNA sugarsarrow_forwardWhich is a difference between B-DNA and A-DNA? A. For polynucleotide strands containing the same number of nucleotides, the B-DNA strand will be shorter from end-to-end than the corresponding A-DNA. B. Both are helical, but B-DNA is right-handed and A-DNA is left-handed. C. The sugar in A-DNA is more oxidized than that in B-DNA D. Helical structures in RNA predominantly adopt the B-DNA conformation. E. None of the above. The tetranucleotide AGTC (in DNA) has a free hydroxyl group on ____. A. A B. G, T, and C C. C D. A, G, T, and Carrow_forwardIf the DNA of an organism contains 20% adenine, what is its percentage of guanine? a.20% b.60% c.80% d.30%arrow_forward
- Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode? A. DNA is positively charged to attracted to the negative end of the unit B. the agarose gel is positively charged C. the agarose gel in negatively charged D. DNA is negatively charged so attracted to the positive end of the unitarrow_forwardWhich is the 3' end of this DNA stand? A. B. С. O The location marked with the red A. O The location marked with the red B. The location marked with the red C.arrow_forwardWhat is the role of Sodum Dodecyl Sulffate in DNA isolation? A. Precipitate DNA B Make the solution more viscous C Destroy the cell membrane D Maintain ionic strengtharrow_forward
- Given a DNA strand with nucleotide sequence 3’ CCGTTACCGC 5’, how many hydrogen bonds are formed between this strand and its complementary strand? A. 9 B. 10 C. 20 D. 27 E. 30arrow_forwardHow are nucleotides connected to each other in a single strand of DNA? A. The nitrogenous bases and acids link the separate nucleotides into a chain. B. The phosphate group of one nucleotide binds to the sugar on the next nucleotide. C. The hydroxy group of one nucleotide stabilizes the phosphate group of the adjacent nucleotide. D. The sugar of one nucleotide binds directly to the sugar of the adjacent nucleotide.arrow_forwardWhich of the folllowing is the term used for ultra compact form of DNA coiling? a. supercoiling b.metacoiling c. ultracoiling d. telephone coilingarrow_forward
- According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10% guanine, the sample should have: A. 40% cytosine B. 90% cytosine C. 10% adenine D. 40% thyminearrow_forwardThere is segment of double-stranded DNA that is found to have a total of 140 bases. If 45 of those bases are Thymine, how many of them are Cytosine? Group of answer choices a. 50 b. 25 c. 45 d. 90arrow_forwardA mutation in which of these proteins will lead to increased mutations in all daughter cells? A. helicase B. topoisomerase C. ligase D. DNA polymerasearrow_forward
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