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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Textbook Question
Chapter 10, Problem 14PDQ
Distinguish between (a) unidirectional and bidirectional synthesis, and (b) continuous and discontinuous synthesis of DNA.
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The following statements are correct EXCEPT:
A) Information in the DNA is transcribed int mRNA and translated into proteins
B) Information in the DNA is translated int mRNA and transcribed into proteins
C) Information in the DNA is copied by DNA polymerase
D) The lagging strand during DNA replication is synthesized continuously to form the okazaki fragments
E) B and D
Explain the complexities of DNA replication that make the process (a) bidirectional and (b) continuous in one strand and discontinuous in the other.
The central dogma of molecular biology states simply that DNA encodes RNA, and RNA
encodes protein. For each of the following processes, describe,
1) where in the cell they occur,
2) one important protein (or protein containing complex) involved
3) the result of this process.
DNA replication
Where?)
Protein?)
Result?)
Transcription
Where?)
Protein?)
Result?)
Splicing
Where?)
Protein?)
Result?)
Translation
Where?)
Protein?)
Result?)
Chapter 10 Solutions
Essentials of Genetics (9th Edition) - Standalone book
Ch. 10 -
CASE STUDY | At loose ends
A researcher was...Ch. 10 - Prob. 2CSCh. 10 - Prob. 3CSCh. 10 - Prob. 4CSCh. 10 - HOW DO WE KNOW? In this chapter, we focused on how...Ch. 10 - Review the Chapter Concepts list on p. 180. These...Ch. 10 - Compare conservative, semiconservative, and...Ch. 10 - Prob. 4PDQCh. 10 - Predict the results of the experiment by Taylor,...Ch. 10 - Prob. 6PDQ
Ch. 10 - Prob. 7PDQCh. 10 - Prob. 8PDQCh. 10 - Prob. 9PDQCh. 10 - Prob. 10PDQCh. 10 - Prob. 11PDQCh. 10 - Prob. 12PDQCh. 10 - Prob. 13PDQCh. 10 -
14. Distinguish between (a) unidirectional and...Ch. 10 - Prob. 15PDQCh. 10 - Define and indicate the significance of (a)...Ch. 10 - Outline the current model for DNA synthesis.Ch. 10 - Why is DNA synthesis expected to be more complex...Ch. 10 - Prob. 19PDQCh. 10 - Several temperature-sensitive mutant strains of E....Ch. 10 - Prob. 21PDQCh. 10 - Prob. 22PDQ
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- In the diagram of DNA at the right: a) fill in the letters representing the bases on the right-hand strand. b) How many nucleotides are shown? 6 c) Explain why these two strands are described as "anti-parallel." because two stands in apposite directions d) If the DNA strand on the left is the coding strand, what mRNA sequence would be transcribed from it? ACG e) What amino acid would that mRNA strand code for? (read the letters from top to bottom) (The) threonine 2' 1' 2 AT बबब GH Carrow_forwardIn the diagram of replication shown here, fill in the blanks with the appropriate terms: (a) base pair, (b) base, (c) nucleotide, (d) template strand, (e) newly synthesized strand, (f) separating strands.arrow_forward(a) What is the function of helicase in DNA replication?(b) What is the function of DNA polymerase?(c) What are replication forks? Compare and contrast leading and lagging strands. Answer all pleasearrow_forward
- Which of the following items do not affect the melting temperature of DNA? A) length of the DNA the type of polymerase used to amplify the DNA (C) salt content surrounding the DNA D) nucleotide composition of the DNA E) the type of DNA (genomic versus CDNA)arrow_forwardDNA replication results in (a) two DNA molecules—one with two old strands, and one with two new strands. (b) two DNA molecules, each of which has two new strands. (c) two DNA molecules, each of which has one old strand and one new strand. (d) none of the abovearrow_forwardDuring DNA replication, the proteins that ensure denatured templates are not re- natured are called .......... ........and the protein that connects the fragmented pieces of DNA in the lagging (discontinuous) strand is called............ I Aarrow_forward
- If a strand of DNA has the sequence CGGTATATC, then the complementary strand of DNA has the sequence (a) ATTCGCGCA. (b) GCCCGCGCT. (c) GCCATATAG. (d) TAACGCGCT.arrow_forwardDifferentiate between the followings:(a) Repetitive DNA and Satellite DNA(b) mRNA and tRNAarrow_forwardThe following diagrams represent DNA molecules that are undergoing replication. Draw in the strands of newly synthesized DNA and identify (a) the polarity of the newly synthesized strands, (b) the leading and lagging strands, (c) Okazaki fragments, and (d) RNA primers.arrow_forward
- Which of the following statements about the processes of the central dogma is/are incorrect? I. Replication occurs only once during the life cycle of a cell. II. The entire sequence of a DNA molecule carries instructions for the synthesis of proteins and nucleic acids. III. The products of transcription all eventually undergo translation. IV. Transcription and replication both involve the use of RNA molecules. V. The translation of the genetic code is directly based on the sequence of the template DNA strand. O , I, and V O II, II, and V O l and IV O II, II, and IV O Only l is incorrectarrow_forward2- Direct DNA modifications are maintained mostly by Acetylation b) Methylation C) d) Hydroxylation None Leave blank ............ of cytosines?arrow_forwardWhat is the correct order of the stages of DNA synthesis? A) Unwinding the DNA, synthesis of a complimentary strand, joining the two DNA strands B) Unwinding the DNA, joining the two DNA strands, synthesis of a complimentary strand C) Synthesis of a complimentary strand, unwinding the DNA, joining the two DNA strands D) Joining the two DNA strands, synthesis of a complimentary strand, unwinding the DNAarrow_forward
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