Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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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
Biology (MindTap Course List)
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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- (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_forwardOrder+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_forward
- The regulation of most bacterial genes occurs at the level of (a) transcription (b) translation (c) replication (d) posttranslation (e) postreplicationarrow_forwardDuring 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_forward
- Metabolic 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_forwardThe stage of transcription where mRNA is synthesized is called (a) initiation (b) elongation (c) termination (d) post transcriptional modification (e) none of the abovearrow_forwardWhat is the correct order of information flow in bacterial and eukaryotic cells? (a) DNA →mRNA →protein (b) protein → mRNA → DNA (c) DNA →protein→mRNA (d) protein →DNA → mRNA (e) mRNA → protein → DNAarrow_forward
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