EBK BIOLOGY
11th Edition
ISBN: 8220106820636
Author: Martin
Publisher: CENGAGE L
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Chapter 14, Problem 3TYU
Summary Introduction
Introduction: Gene regulation is a process where the expression of genes is controlled for the synthesis of specified gene products (usually RNA or proteins). In bacteria transcriptional level control of gene regulation is most efficient followed by post transcriptional control.
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Which of the following is an example of positive control? (a) transcription occurs when a repressor binds to an inducer (b) transcription cannot occur when a repressor binds to a corepressor (c) transcription is stimulated when an activator protein binds to DNA (d) a and b (e) a and c
Transcription allows
(a) greater regulation of gene expression (b) amplification of gene expression (c) more than one protein to be produced by a gene (d) both a and b (e) all of the above
Which statement is TRUE of the CRM (cis-regulatory module)?
a) it codes for transcription factors (TFs)
b) It is frequently located far from the gene it regulates
c) It contains the DNA binding sequence recognized by RNA polymerase
d) It includes the coding sequence CDS of the gene
Chapter 14 Solutions
EBK BIOLOGY
Ch. 14.1 - Explain why bacterial and eukaryotic cells have...Ch. 14.1 - Prob. 1CCh. 14.1 - Prob. 2CCh. 14.2 - Prob. 2LOCh. 14.2 - Distinguish among inducible, repressible, and...Ch. 14.2 - Differentiate between positive and negative...Ch. 14.2 - Prob. 5LOCh. 14.2 - Prob. 1CCh. 14.2 - What structural features does the trp operon share...Ch. 14.2 - Prob. 3C
Ch. 14.2 - Prob. 4CCh. 14.3 - Prob. 6LOCh. 14.3 - Give examples of some of the ways eukaryotic...Ch. 14.3 - Prob. 8LOCh. 14.3 - Prob. 9LOCh. 14.3 - Prob. 10LOCh. 14.3 - Prob. 1CCh. 14.3 - Prob. 2CCh. 14.3 - Prob. 3CCh. 14.3 - Prob. 4CCh. 14.3 - Prob. 5CCh. 14 - The regulation of most bacterial genes occurs at...Ch. 14 - Prob. 2TYUCh. 14 - Prob. 3TYUCh. 14 - Prob. 4TYUCh. 14 - Inactive genes tend to be found in (a) highly...Ch. 14 - Prob. 6TYUCh. 14 - Which of the following is characteristic of genes...Ch. 14 - Through alternative splicing, eukaryotes (a)...Ch. 14 - A mutation that inactivates the repressor gene of...Ch. 14 - Which of the following is an example of positive...Ch. 14 - Prob. 11TYUCh. 14 - PREDICT Compare the types of bacterial genes...Ch. 14 - INTERPRET DATA Develop a simple hypothesis that...Ch. 14 - Prob. 14TYUCh. 14 - Prob. 15TYUCh. 14 - EVOLUTION LINK Suggest why evolution resulted in...Ch. 14 - Prob. 17TYU
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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
- Which of the following is not true of RNA processing?(A) Exons are cut out before mRNA leaves the nucleus.(B) Nucleotides may be added at both ends of the RNA.(C) Ribozymes may function in RNA splicing.(D) RNA splicing can be catalyzed by spliceosomes.arrow_forwardIn the diagram of transcription shown here, fill in the blanks with the appropriate terms: (a) gene; (b) promoter; (c) terminator; (d) RNA polymerase; (e) mRNA.arrow_forwardDescribe regulatory mechanisms for each of the following levels. Give at least on example for each level: (1) DNA, (2) transcription, (3) translation, and (4) post-translationarrow_forward
- The “zipper” of a leucine zipper protein attaches (a) specific amino acids to specific DNA base pairs (b) two polypeptide hains to each other (c) one DNA region to another DNA region (d) amino acids to zinc atoms (e) RNA polymerase to the operatorarrow_forward(61) A 61-year old woman comes to the physician because of scarring acne vulgaris that has not been responsive to topical medication. Oral tetracycline is prescribed . Which of the following best explains the mechanism of action of this drug? (A) Blockage of DNA gyrase (B) Destruction of active transport membrane transport (C) Inhibition of aminoacyl-RNA binding to bacterial ribosomes (D) Interference with the action of peptidyl transferase (E) Interferance with translocation reactionarrow_forwardDraw a schematic diagram for RNA (a) transcription and (b) translation then label organelles, molecules and proteins involved in each of these processes.arrow_forward
- Order+the+following+of+protein+sentesis+sequence+from+earliest: (a)tRNA molecule bring specific amino acids to he mRNA molecule. b)mRNA nucleotides join with exposed DNA bases and form a molecule of mRNA.(c)The two stands of a DNA molecule separate. (d)Peptide bonds form between the amino acids. (e)the mRNA molecule leave the nucleus. (f) a ribosome attached to the mRNA molecule.arrow_forwardWhich component is not directly involved in translation?(A) GTP(B) DNA(C) tRNA(D) ribosomesarrow_forwardThe regulation of most bacterial genes occurs at the level of (a) transcription (b) translation (c) replication (d) posttranslation (e) postreplicationarrow_forward
- During transcription, how many RNA nucleotide bases would usually be encoded by a sequence of 99 DNA nucleotide bases? (a) 297 (b) 99 (c) 33 (d) 11 (e) answer is impossible to determine with the information givenarrow_forwardCyclin-dependent kinases are present during Question 4 options: A) M. B) G1. C) G2. D) S. E) all of the abovearrow_forwardMetabolic control is crucial part of survival for all bacteria. The lactose operon is located on the bacteria chromosome and assists in maintaining homeostasis. (a) Describe how an operon regulates the expression of genes. (b) Feedback plays an important part in life helping to maintain homeostasis. Explain how both negative and positive feedback help maintain homeostasisarrow_forward
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