BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 7, Problem 2PIT
Where do promoters, terminators, stop codons, transcription factors, RNA polymerase, and ribosomes fit into this concept map?
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When would a ribosome bind to a promoter sequence?
A) It wouldn't. A promoter is a DNA sequence, and ribosomes don't bind to DNA.
B) When the ribosome needs to transcribe the gene that that promoter controls.
C) When the ribosome is translating the DNA sequence of a gene.
D) When there is a start codon (AUG) in the promoter sequence.
.
Which of the following is true of phase variation?
A) OIt is triggered by stalled ribosomes.
1S
B) OIt is part of transformation.
o ORecombination leads to an inverted DNA sequence.
D) OIt targets mRNAs for degradation or can block ribosome binding to mRNA molecules
E) Olt prevents CRP interaction with RNA polymerase, thereby blocking its access to the promoter
26) Eukaryotes are unable to couple transcription and translation because:
A) the two processes occur in separate regions of the cell
B) they do not have the specialized ribosomes that occur in bacteria
C) the genetic code in eukaryotes is incompatible with the formation of polyribosomes
D) the mRNA of eukaryotes do not have the appropriate spacers that polycistrons allow for polyribosomes to form
E) eukaryotic mRNA molecules are monocistronic.
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Chapter 7 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 7.1 - Prob. 1MCCh. 7.1 - Prob. 2MCCh. 7.2 - Prob. 1MCCh. 7.2 - Prob. 2MCCh. 7.2 - Prob. 3MCCh. 7.3 - Prob. 1MCCh. 7.3 - Prob. 2MCCh. 7.3 - Prob. 3MCCh. 7.3 - Prob. 4MCCh. 7.3 - Prob. 5MC
Ch. 7.4 - Prob. 1MCCh. 7.4 - Prob. 2MCCh. 7.4 - Prob. 3MCCh. 7.5 - Prob. 1MCCh. 7.5 - Prob. 2MCCh. 7.5 - Prob. 3MCCh. 7.5 - Prob. 4MCCh. 7.5 - Prob. 5MCCh. 7.6 - Prob. 1MCCh. 7.6 - Prob. 2MCCh. 7.6 - Prob. 3MCCh. 7.7 - Prob. 1MCCh. 7.7 - Prob. 2MCCh. 7.7 - Prob. 3MCCh. 7.7 - Prob. 4MCCh. 7.8 - Prob. 1MCCh. 7.8 - Prob. 2MCCh. 7.8 - Prob. 3MCCh. 7.8 - Prob. 4MCCh. 7.8 - Prob. 5MCCh. 7.9 - Prob. 1MCCh. 7.9 - Prob. 2MCCh. 7.10 - Prob. 1MCCh. 7.10 - Prob. 2MCCh. 7 - If one strand of DNA has the sequence ATTGTCC,...Ch. 7 - Transcription copies a _____ to a complementary...Ch. 7 - Prob. 3MCQCh. 7 - Prob. 4MCQCh. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - At which stage in viral replication does the...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 1WIOCh. 7 - Prob. 2WIOCh. 7 - Prob. 3WIOCh. 7 - Prob. 4WIOCh. 7 - Prob. 5WIOCh. 7 - Prob. 6WIOCh. 7 - Prob. 7WIOCh. 7 - Prob. 8WIOCh. 7 - How many codons are in the mRNA molecule that you...Ch. 7 - Prob. 10WIOCh. 7 - Prob. 11WIOCh. 7 - Prob. 12WIOCh. 7 - Prob. 13WIOCh. 7 - Prob. 14WIOCh. 7 - Prob. 15WIOCh. 7 - Prob. 16WIOCh. 7 - Prob. 17WIOCh. 7 - Prob. 18WIOCh. 7 - Prob. 19WIOCh. 7 - Prob. 20WIOCh. 7 - Prob. 21WIOCh. 7 - Prob. 1SLCh. 7 - Prob. 1PITCh. 7 - Where do promoters, terminators, stop codons,...Ch. 7 - Prob. 3PITCh. 7 - Review the Survey the Landscape figure in the...
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- Which statement is false: A) Each type of protein ( ex: hemoglobin vs trypsionngen) varies in the length and amino acid sequence of its peptide B) After the rpocess of transcription is complete, the mRNA that is produced will continue being tranlsated by ribosomes for the rest of the cells life. mRNA never breaks down C) A ribosome will bind to an mRNA and will translate the sequence by reading one codon at a time and adding one amino acid to the peptide chain. It will stop the translation once it encounters a stop codon D) The gene for a protein provides the information on the legth of the peptide, along w the amino acid sequence so the protein can be synthesized by a ribosome E) Once mRNA has left the nucleus, ribosomes will bind to it and will follow the instructions in its sequence to make the new protienarrow_forwardIf a gene sequence is more tightly coiled around histones, then which of the following is the most likely consequence? A) This gene is more likely to undergo mutation as it is being expressed B) This gene is unlikely to be transcribed while in this conformation C) This gene will be transcribed often while in this conformation D) This gene will be translated more efficiently .arrow_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_forward
- 14) Why are telomeres so important in eukaryotic organisms? A) Without telomeres, important DNA could be lost every time the cell divides. B) They cap the mRNA, allowing it to pass through the nuclear membrane to the cytoplasm fo translation. C) They provide a repetitive DNA sequence needed by primers to recognize the beginning of transcription. D) They remain relatively undamaged from environmental stress and toxins.arrow_forwardWhich of the following is true of transcription factors? A)The same transcription factors are found in all cell types. B)They can increase or decrease gene expression. C)They are a type of cis-acting element. D)They bind only to promoters.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_forward
- Label these processes 1-8 (1 being the earliest time point) in the order they would occur during expression of a eukaryotic gene. a) Regulatory transcription factor binding at an enhancer b) transcription initiation c) Phosphorylation of the gene's protein product d) MRNA nuclear export e) general transcription factor binding to promoter f) chromatin remodeling to expose promoter g) splicing h) translation initiationarrow_forwardWhich of the following most accurately describes the process involved in protein synthesis? Transcription factors activate promoter region -> transcription by mRNA -> translation by ribosomes Translation by ribosomes -> transcription factors activate promoter region -> transcription by mRNA Transcription by mRNA -> transcription factors activate promoter region -> translation by ribosomes Translation by ribosomes -> transcription by mRNA -> transcription factors activate promoter regionarrow_forwardWhich of these molecules would have the most monomers (i.e. be longest)? a) RNA polymer that comprises the transfer RNA b) mRNA transcript just after transcription c) polypeptide chain released by ribosome d) mRNA transcript that a ribosome attaches toarrow_forward
- Transcription and translation are separate processes in gene expression; however, they have similarities. The following terms all relate to translation. Which of these has a role that is most similar to that of the transcription start site during transcription? A)Start codon B)Stop codon C)tRNA D)Amino acidarrow_forwardWhat function do the prokaryotic rRNAs provide to the ribosome? Question 38 options: A) catalyze the formation of peptide bonds B) base-pair with the Shine-Dalgarno sequence during initiation C) base-pair with the mRNA codons D) base-pair with the tRNAs E) both A and B are correctarrow_forwardtranscription in eukaryotes; a) Occurs simultaneously with translation. Ob) Does not require the RNA polymerase to bind to the promotor Oc) Requires transcription factors d) Occurs in the cytoplasmarrow_forward
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