Genetics: Analysis and Principles
5th Edition
ISBN: 9780073525341
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 14.4, Problem 1COMQ
Translation can be regulated by
a. translational repressors.
b. antisense RNA.
c. attenuation.
d. both a and b.
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Students have asked these similar questions
a) what is the genetic code and explain the properties
b) list the difference between eukaryotic and prokaryotic translation initiation
c) explain the role E.coli translation elongation factors.
The release factors RF1 and RF2 are required for
a. translation termination
b. the realease of the aminoacid from the tRNA
c. translation elongation
d. translation initiation
The formation of peptide bonds between amino acids occurs _____.
a. during transcription
b. during the elongation step to translation
c. during the assemble of the ribosome and mRNA
d. while DNA is being replicated
Chapter 14 Solutions
Genetics: Analysis and Principles
Ch. 14.1 - 1. A repressor is a __________ that _________...Ch. 14.1 - 2. Which of the following combinations will cause...Ch. 14.2 - 1. What is an operon?
a. A site in the DNA where...Ch. 14.2 - The binding of _______ to lac repressor causes lac...Ch. 14.2 - Prob. 3COMQCh. 14.2 - How does exposing an E. coli cell to glucose...Ch. 14.3 - When tryptophan binds to trp repressor, this...Ch. 14.3 - During attenuation, when tryptophan levels are...Ch. 14.3 - Operons involved with the biosynthesis of...Ch. 14.4 - 1. Translation can be regulated by
a....
Ch. 14.4 - Prob. 2COMQCh. 14.5 - 1. For a riboswitch that controls transcription,...Ch. 14 - 1. What is the difference between a constitutive...Ch. 14 - In general, why is it important to regulate genes?...Ch. 14 - Prob. 3CONQCh. 14 - Transcriptional regulation often involves a...Ch. 14 - An operon is repressible-a small effector molecule...Ch. 14 - Prob. 6CONQCh. 14 - 7. What is enzyme adaptation? From a genetic point...Ch. 14 - Prob. 8CONQCh. 14 - Prob. 9CONQCh. 14 - Prob. 10CONQCh. 14 - Mutations may have an effect on the expression of...Ch. 14 - 12. Would a mutation that inactivated lac...Ch. 14 - Prob. 13CONQCh. 14 - 14. As shown in Figure 14.12, four regions within...Ch. 14 - 15. As described in Chapter 13, enzymes known as...Ch. 14 - 16. The combination of a 3–4 stem-loop and a...Ch. 14 - 17. Mutations in tRNA genes can create tRNAs that...Ch. 14 - Prob. 18CONQCh. 14 - Prob. 19CONQCh. 14 - A species of bacteria can synthesize the amino...Ch. 14 - 21. Using three examples, describe how allosteric...Ch. 14 - How are the actions of lac repressor and trp...Ch. 14 - 23. Transcriptional repressor proteins (e.g., lac...Ch. 14 - Answer the following questions that pertain to the...Ch. 14 - Chapter 21 describes a blotting method known as...Ch. 14 - As described in experimental question E2 and also...Ch. 14 - Prob. 4EQCh. 14 - Explain how the data shown in Figure 14.9 indicate...Ch. 14 - Prob. 6EQCh. 14 - Lets suppose you have isolated a mutant strain of...Ch. 14 - Prob. 1QSDCCh. 14 - Prob. 2QSDC
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- Describe some of the ways that the initiation step of translation differs from the elongation steps of translation.arrow_forwardTranscription & Translation A. Describe mRNA splicing. B.How do mRNA and rRNA interact? C.How do mRNA and tRNA interact?arrow_forwardAt what point in gene expression do you think the process could be regulated? Select all that apply: a) Before transcription begins. b) During the process of transcription. c) During the process of translation. d) After translation ends.arrow_forward
- The primary function of RF1 during translation is to: a. recognize a stop codon in the 70S A site during termination. b. recognize the start codon in the 70S P site during initiation. c. move tRNAs and mRNA through the ribosome during elongation. d. facilitate binding of the ribosome to mRNA during initiation.arrow_forwardWhat happens immediately after the initiation complex forms during translation? (a) peptide bond formation (b) the DNA associated with the promoter unwinds (c) the small and large subunits of the ribosome come together (d) primers are formed (e) phosphodiester bond formationarrow_forwardcompare and contrast the initiation process for transcription and translation. what similarities and differences are there?arrow_forward
- During translation, ____________ is the step in which new t-RNA is attracted to the ribosome (a) the formation of the open promoter complex (b) codon recognition (c) peptide bond formation (d) translocation (e) none of the abovearrow_forwardWhich sequence is most likely to be found in a promoter? a) CGGTGTATATCGTAC b) GTACAGTCATCCCGT c) AAATCTACTACGATT d) GGGTTGGGTTGGGTTarrow_forwardThe initiation factors a. help assembling both ribosomal subunits with mRNA and initiator tRNA b. help with the peptide bond formation c. help starting the translation elongation d. are responsible for the initiation of ribosome translocationarrow_forward
- If we watched a eukaryotic cell initiate translation, one of the first things we would see is a. The small ribosomal subunit binding to the cap b. The formation of the 70s initiation complex c. The small ribosomal subunit binding to the Shine-Dalgarno sequence d. The formation of the 80s initiation complexarrow_forwardYou are trying to produce a mammalian protein in the bacterium Escherichia coli. To make sure you achieve the goal, what should be taken into consideration when you design the experiment (think about the requirements of transcription and translationarrow_forwardWhich of the following statements best describes the initiation of translation? A) The large and small ribosomal subunits scan the mRNA in the 3'–5' direction until the promoter is reached. B) A tRNA with the anticodon, AUG, enters the ribosomal complex and binds to the mRNA at the A site. C) The mRNA containing the start codon, AUG, sits at the P site and forms a complex with the corresponding tRNA, and the large and small ribosomal subunits. D) The mRNA attaches to the large ribosomal subunit and once the start codon reaches the A site, the tRNA binds and the small subunit completes the complex.arrow_forward
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