Essentials of Genetics (9th Edition) - Standalone book
9th Edition
ISBN: 9780134047799
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Chapter 9, Problem 26PDQ
A genetics student was asked to draw the chemical structure of an adenine- and thymine-containing dinucleotide derived from DNA. His answer is shown below. The student made more than six major errors. One of them is circled, numbered 1, and explained. Find five others. Circle them, number them 2–6, and briefly explain each by following the example given.
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For the following sequence of amino acids, serine-valine-lysine-leucine, which of the choices below is the correct order for the nucleotide base sequence in DNA?
Group of answer choices
a. UGUGCAAAGUUA
b. AGACAATTCAAT
c. TCTCGTTTGTTA
d. TGTGCTTTCTTA
What would be the percentage of G, C, A, and T in each column? Have to calculate the nucleotide frequency from my sequence.
Are the following base sequences “sticky” (complementary) or not? All sequences are written 5′ to 3′. (a) A-C-G-G-A and T-G-C-C-T (b) G-T-G-A-C and C-A-T-G-G(c) G-T-A-T-A and A-C-G-C-G
Chapter 9 Solutions
Essentials of Genetics (9th Edition) - Standalone book
Ch. 9 - CASE STUDY |Zigs and zags of the smallpox virus...Ch. 9 -
CASE STUDY | Zigs and zags of the smallpox...Ch. 9 - CASE STUDY | Zigs and zags of the smallpox...Ch. 9 - CASE STUDY | Zigs and zags of the smallpox virus...Ch. 9 -
HOW DO WE KNOW?
1. In this chapter, we have...Ch. 9 - Review the Chapter Concepts list on p. 160. Most...Ch. 9 - Discuss the reasons why proteins were generally...Ch. 9 -
4. Contrast the various contributions made to our...Ch. 9 - When Avery and his colleagues had obtained what...Ch. 9 - Why were 32P and 35S chosen in the Hershey–Chase...
Ch. 9 - Does the design of the Hershey-Chase experiment...Ch. 9 - What observations are consistent with the...Ch. 9 - What are the exceptions to the general rule that...Ch. 9 -
10. Draw the chemical structure of the three...Ch. 9 - How are the carbon and nitrogen atoms of the...Ch. 9 - Adenine may also be named 6–amino purine. How...Ch. 9 -
13. Draw the chemical structure of a dinucleotide...Ch. 9 - Describe the various characteristics of the...Ch. 9 - Prob. 15PDQCh. 9 - What might Watson and Crick have concluded, had...Ch. 9 - Prob. 17PDQCh. 9 - Prob. 18PDQCh. 9 - Prob. 19PDQCh. 9 - Prob. 20PDQCh. 9 - Prob. 21PDQCh. 9 - Prob. 22PDQCh. 9 -
23. Why is Tm related to base composition?
Ch. 9 - What is the chemical basis of molecular...Ch. 9 - What did the Watson–Crick model suggest about the...Ch. 9 - A genetics student was asked to draw the chemical...Ch. 9 - Prob. 27PDQCh. 9 -
28. One of the most common spontaneous lesions...Ch. 9 - Prob. 29PDQCh. 9 - Prob. 30PDQCh. 9 - Prob. 31PDQCh. 9 -
32. During electrophoresis, DNA molecules can...Ch. 9 - Assume that you are interested in separating short...
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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
- State the properties of the WatsonCrick model of DNA in the following categories: a. number of polynucleotide chains b. polarity (running in same direction or opposite directions) c. bases on interior or exterior of molecule d. sugar/phosphate on interior or exterior of molecule e. which bases pair with which f. right- or left-handed helixarrow_forwardThe English language, based on 26 letters,can create an infinite variety of words, but how can an apparently complex genetic language such as DNA be based on just four nitrogen base “letters”?arrow_forwardWhich of the following is not included in the Watson-Crick model of DNA structure? The strands run parallel to each other. The resultant helix is right-handed. Strands are held together by hydrogen bonds between nitrogenous bases. The bases are held together in the central region of the molecule by hydrogen bonds. It is composed of two strands.arrow_forward
- why the human dna is considered as a fibonacci sequence?arrow_forwardType the matching bases in each DNA sequence. G A T A G C T A G Garrow_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? How many full double-helical turns does this DNA contain?arrow_forward
- Convert each of the following 3′-to-5′ DNA base sequences to 5′-to-3′ DNA base sequences. a. 3′ ATCG 5′ b. 3′ AATA 5′ c. 3′ CACA 5′ d. 3′ CAAC 5′arrow_forwardWhich one of these facts would NOT be needed in order to determine the correct base sequence from the image of DNA in the question above? Adenine and guanine are purines with a two-ring chemical structure. Cytosine and thymine are pyrimidines with a one-ring chemical structure. Adenine pairs only with thymine using two hydrogen-bonds. Cytosine pairs only with guanine using three hydrogen-bonds. All of the facts above are needed.arrow_forward. While studying the structure of a small gene that was recently sequenced during the Human Genome Project, an investigator notices that one strand of the DNA molecule contains the following: 20 adenine (A) bases 30 cytosine (C) bases25 guanine (G) bases 22 thymine (T) bases How many of each base is found in the complete double-stranded molecule?arrow_forward
- A DNA sequence can be represented as a string of the letters ACTG (short for adenine, cytosine, guanine, and thymine). (a) How many DNA sequences are exactly 24 letters long? (b) Given a DNA sequence of length 24, how many single letter mutations are possible? (c) Given a DNA sequence of length 24, how many double letter mutations are possible?arrow_forwardWhich one of the following options would be a good way to identify the location of the poly A tail in the published DNA sequence for a gene? Look for AATAAA near the 3’ UTR of the DNA sequence. Look for TTTTTTTTTTTTTT… (many Ts) near the 3’ UTR of the DNA sequence. Look for AAAAAAAAAAA… (many As) near the 3’ UTR of the DNA sequence. Look for a stop codon.arrow_forwardPlease help me make an abstract using the information below it is the result and discussion of the experiment, the abstract should contain 150 words. THANK YOU! In the laboratory, the researchers identified the parts of the DNA and RNA structure. DNA structures compose of a nitrogenous base, the base pair joined by hydrogen bonds, a deoxyribose sugar, and a phosphate group. The deoxyribose sugar attaches to a phosphate group to form the double-helix backbone of the DNA. On the other hand, the deoxyribose sugar is attached to either one of the four nitrogenous bases. These are either the purines (adenine or guanine) containing two carbon-nitrogen rings and four nitrogen atoms or the pyrimidines (cytosine or thymine) containing one carbon-nitrogen ring and two nitrogen atoms (Purines vs. pyrimidines, 2022). Each purine is paired with a pyrimidine resulting in an equal total number for each as stated by Chargaff’s rule. Each pair is called the base pair joined by a weak hydrogen bond…arrow_forward
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