EBK BIOLOGY
11th Edition
ISBN: 8220106820636
Author: Martin
Publisher: CENGAGE L
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Chapter 14, Problem 7TYU
Which of the following is characteristic of genes and gene regulation in both bacteria and eukaryotes? (a) promoters (b) non-coding DNA within coding sequences (c) enhancers (d) operons (e) DNA located in a nucleus
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Which of the following is characteristic of genes and gene regulation in bacteria but not in eukaryotes? (a) presence of enhancers (b) capping of mRNAs (c) many chromosomes per cell (d) binding of DNA to regulatory proteins (e) no requirement for exon splicing
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
A mutation that inactivates the repressor gene of the lac operon results in (a) the continuous transcription of the structural genes (b) no transcription of the structural genes (c) the binding of the repressor to the operator (d) no production of RNA polymerase (e) no difference in the rate of transcription
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 are possible reasons that a cell would regulate its expression of a gene? (Select all that apply.) (a) an increased need for a particular enzyme (b) a decreased need for a particular enzyme (c) increasing temperature in the external environment (d) changing needs as an organism ages (e) deatharrow_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_forwardWhich of the following is LEAST likely to be transcribed into RNA? a) introns b) promoters & enhancers c) start & stop codons d) exons e) 5' and 3' UTRSarrow_forward
- Which of the following is an example of post-transcriptionalcontrol of gene expression?(A) the addition of methyl groups to cytosine bases of DNA(B) the binding of transcription factors to a promoter(C) the removal of introns and alternative splicing of exons(D) gene amplification contributing to cancerarrow_forwardChoose all of the following that you think are correct Protein(s) that play a role in initiating transcription in eukaryotes include A) general transcription factors. B) transposase enzymes C) RNA polymerase II. D) mediator protein complex. E) enhancers F) topoisomerase G)helicase Multiple answers Group of answer choices D B F A E C Garrow_forwardRegarding transcriptional promoter sites, which of the following statements are true? Select one or more than one: a)They are located in the gene (DNA) whose information will be transcribed b)They are found at the 3 'end of the gene that will be transcribed c)Some of them are called 'TATA box' d)They are found in the DNA, 'upstream' of the gene to be transcribed. e)They are proteins of the cytoplasmarrow_forward
- Through alternative splicing, eukaryotes (a) reinforce gene inactivation (b) prevent transcription of heterochromatin (c) produce related but different proteins in different tissues (d) amplify genes to meet the requirement of high levels of a gene product (e) bind transcription factors to enhancers toactivate transcriptionarrow_forwardThe transcription factors that bind to enhancer sequences are known as _____. A) regulators B) activators C) common control elementsarrow_forwardMetabolic control is crucial part of survival for all bacteria. The lactose operon is located on the bacteria chromosome and assists in maintaining homeostasis. (l) Describe how an operon regulates the expression of genes. (m) Feedback plays an important part in life helping to maintain homeostasis. Explain how both negative and positive feedback help maintain homeostasisarrow_forward
- a piece of DNA is produced with 1) an enhancer from a gene expressed in the liver, 2) a promoter from a gene expressed in bone cells, and 3) exons and introns from a gene expressed in the brain introduction of this gene into a mouse then results in high levels of A) a brain protein in the liver B) a bone protein in the brain C) a brain protein in the bone D) a liver protein in the brain E) no protein would be madearrow_forwardMost structural genes of bacteria are grouped together and transcribed from a single affect transcription of the genes. immediately following this sequence is the that interacts with a regulatory proter A) O regulon; promoter B) O ribosome; ribosome-binding sequence C) O promoter; operator D) O promoter, regulon E) O ribosome-binding sequence; operatorarrow_forwardWhat would occur if the repressor of an inducible operon weremutated so it could not bind the operator?(A) irreversible binding of the repressor to the promoter(B) reduced transcription of the operon’s genes(C) buildup of a substrate for the pathway controlled by theoperon(D) continuous transcription of the operon’s genesarrow_forward
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