EBK CONCEPTS OF GENETICS
12th Edition
ISBN: 9780134818979
Author: Killian
Publisher: YUZU
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Chapter 11, Problem 2PDQ
CONCEPT QUESTION
Review the Chapter Concepts list on p. 238. These are concerned with the replication and synthesis of DNA. Write a short essay that distinguishes between the terms replication and synthesis, as applied to DNA. Which of the two is most closely allied with the field of biochemistry?
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4. Why is it important that exact copies of DNA be made?
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E Concept Mapping
The construction of and theory behind concept mapping are discussed on
pages vil-ix in the front of this Study Guide. Read those pages carefully. Then
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them into a concept i
page 74. Notice that the concept map has been started for you. Add the key
Now look at the concept map for Chapter 7 on
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Describe the functions of the following proteins during DNA breaks and repair:
(i)
Ku70
(ii)
Uracil DNA glycosylase
Select TRUE or FALSE for each of the following statements:
1. Only one of the three phosphate groups present in each nucleotide precursor remains present in a DNA polymer.
2. Starch and cellulose are alike in that both contain sugars bonded together in identical ways.
3. The coding strand of DNA is complementary in sequence to the corresponding MRNA.
4. Ribosomal RNA (rRNA) is synthesised by ribosomes in the process of translation.
5. Polyribosomes speed up the rate of transcription.
Chapter 11 Solutions
EBK CONCEPTS OF GENETICS
Ch. 11 - In the Meselson-Stahl experiment, which of the...Ch. 11 - An alien organism was investigated. When DNA...Ch. 11 - Why might mutations in genes encoding telomerase...Ch. 11 - Although the brother is an immunologically matched...Ch. 11 - Prob. 3CSCh. 11 - HOW DOWE KNOW? In this chapter, we focused on how...Ch. 11 - CONCEPT QUESTION Review the Chapter Concepts list...Ch. 11 - Compare conservative, semiconservative, and...Ch. 11 - Describe the role of 15N in the MeselsonStahl...Ch. 11 - Predict the results of the experiment by Taylor,...
Ch. 11 - What are the requirements for in vitro synthesis...Ch. 11 - In Kornbergs initial experiments, it was rumored...Ch. 11 - How did Kornberg assess the fidelity of DNA...Ch. 11 - Which characteristics of DNA polymerase I raised...Ch. 11 - Kornberg showed that nucleotides are added to the...Ch. 11 - What was the significance of the polA1 mutation?Ch. 11 - Summarize and compare the properties of DNA...Ch. 11 - List and describe the function of the ten subunits...Ch. 11 - Distinguish between (a) unidirectional and...Ch. 11 - List the proteins that unwind DNA during in vivo...Ch. 11 - Define and indicate the significance of (a)...Ch. 11 - Outline the current model for DNA synthesis.Ch. 11 - Why is DNA synthesis expected to be more complex...Ch. 11 - Suppose that E. coli synthesizes DNA at a rate of...Ch. 11 - Several temperature-sensitive mutant strains of E....Ch. 11 - While many commonly used antibiotics interfere...Ch. 11 - Describe the end-replication problem in...Ch. 11 - Many of the gene products involved in DNA...Ch. 11 - In 1994, telomerase activity was discovered in...Ch. 11 - The genome of D. melanogaster consists of...Ch. 11 - Prob. 26ESPCh. 11 - DNA polymerases in all organisms add only 5...Ch. 11 - Assume that the sequence of bases shown below is...Ch. 11 - Reiji and Tuneko Okazaki conducted a now classic...Ch. 11 - Consider the drawing of a dinucleotide below. (a)...Ch. 11 - To gauge the fidelity of DNA synthesis, Arthur...
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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
- DNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What are the consequences of this difference in strength?arrow_forwardWhat are the structural differences between RNA and DNA?arrow_forwardRefer to Problems 26.62 and 26.63. What dipeptide is synthesized from the informational DNA sequence T-A-C-C-C-T?arrow_forward
- Given the choices,a. 26b. 23c. 27d. 21how many hydrogen bonds are present in a DNA double helix fragment consisting of the following sequence in one strand: GCTGTGCACTarrow_forwardThe estimated half-life for P-O bonds is 1.3 x 105 a (a = annum = year). Approximately 109 such bonds are present in a strand of DNA. How long (in terms of its half life) would a single strand of DNA survive with NO cleavage (in the absence of DNA repair enzymes)? Ans: 3067 yearsarrow_forward39 The Central Dogma describes the flow of genetic information as follows: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a RNA TO DNA TO PROTEIN DNA TO PROTEIN TO RNA DNA TO RNA TO PROTEIN PROTEIN TO DNA TO RNAarrow_forward
- What observations are consistent with the conclusion that DNA serves as the genetic material in eukaryotes? List and discuss them.arrow_forwardName and discuss using a representative example, the non-covalent interactions that maintains stability of the double helical structure of DNA.arrow_forwardWhat entropic factor destabilizes helical DNA at high temperature?arrow_forward
- In the following sequence, a cytosine was deaminated and is now a uracil (underlined). 5’-GGTAUTAAGC-3’ a. Which repair pathway(s) could restore this uracil to cytosine? b. If the uracil is not removed before a DNA replication fork passes through, what will be the sequences of the two resulting double helices? Provide the sequences of both strands of both helices. Label the old and new strands and underline the mutation(s). c. Could the mismatch repair pathway fix the mutations you’ve indicated in part b? d. If the cell undergoes mitosis, and the replicated DNAs are distributed into the two daughter cells. Will 0, 1, or 2 daughter cells have a mutation in this sequence?arrow_forward789.If one DNA single strand has the sequence 5'-AATGCAA-3', what is the sequence of its complementary strand?arrow_forwardAs we have focused on DNA, the molecule that stores genetic information in all living things. In particular, we discussed its structure and delved into how we analyze this molecule. Based on your knowledge of these topics,answer several fundamental questions: Question: How do we know that the structure of DNA is in the form ofa right-handed double-helical molecule?arrow_forward
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