Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 16, Problem 8RQ
Prokaryotic cells lack a nucleus. Therefore, the genes in prokaryotic cells are:
- all expressed, all of the time
- transcribed and translated almost simultaneously
- transcriptionally controlled because translation begins before transcription ends
- b and c are both true
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In prokaryotes, transcription and translation occur ________.
simultaneously
simultaneously
in physically separate locations
in physically separate locations
in reverse order compared to eukaryotes
Unlike in prokaryotic cells, transcription and translation in eukaryotic cells...
Group of answer choices
are separated: transcription occurs in the cytoplasm, and translation occurs in the nucleus.
occur together in the cytosol.
occur together in the nucleus.
are separated, except for proteins that bind to the DNA and ribosomes, which are translated in the nucleus.
are separated: transcription occurs in the nucleus, and translation occurs in the cytoplasm.
Which of the following is true only for eukaryotic gene expression?
mRNA is synthesized in the 3' ---> 5' direction.
Translation of mRNA routinely begins before transcription is complete.
The mRNA transcript is the exact complement of the gene from which it was copied.
After transcription, a 3' poly-A tail and a 5' cap are added to mRNA.
RNA polymerase binds to the promoter region to begin transcription.
Chapter 16 Solutions
Biology 2e
Ch. 16 - Figure 16.5 In E. coli, the tip operon is on by...Ch. 16 - Figure 16.7 In females, one of the two X...Ch. 16 - Figure 16.13 An increase in phosphorylation levels...Ch. 16 - Control of gene expression in eukaryotic cells...Ch. 16 - Post-translational control refers to: regulation...Ch. 16 - How does the regulation of gene expression support...Ch. 16 - If glucose is absent, but so is lactose, the lac...Ch. 16 - Prokaryotic cells lack a nucleus. Therefore, the...Ch. 16 - The a/a operon is an inducible operon that...Ch. 16 - What are epigenetic modifications? the addition of...
Ch. 16 - Which of the following are true of epigenetic...Ch. 16 - The binding of _____ is required for transcription...Ch. 16 - What will result from the binding of a...Ch. 16 - A scientist compares the promoter regions of two...Ch. 16 - Which of the following are involved in post...Ch. 16 - Binding of an RNA binding protein will the...Ch. 16 - An unprocessed pre-mRNA has the following...Ch. 16 - IS. Alternative splicing has been estimated to...Ch. 16 - Post-translational modifications of proteins can...Ch. 16 - A scientist mutates elF-2 to eliminate its GTP...Ch. 16 - Cancer causing genes are called transformation...Ch. 16 - Targeted therapies are used in patients with a set...Ch. 16 - Name two differences between prokaryotic and...Ch. 16 - Describe how controlling gene expression will...Ch. 16 - Describe how transcription in prokaryotic cells...Ch. 16 - What is the difference between a repressible and...Ch. 16 - In cancer cells, alteration to epigenetic...Ch. 16 - A scientific study demonstrated that rat mothering...Ch. 16 - Some autoimmune diseases show a positive...Ch. 16 - A mutation within the promoter region can alter...Ch. 16 - What could happen if a cell had too much of an...Ch. 16 - A scientist identifies a potential transcription...Ch. 16 - Describe how RBPs can prevent miRNAs from...Ch. 16 - How can external stimuli alter...Ch. 16 - Protein modification can alter gene expression in...Ch. 16 - Alternative forms of a protein can be beneficial...Ch. 16 - Changes in epigenetic modifications alter the...Ch. 16 - A scientist discovers a virus encoding a Protein X...Ch. 16 - New drugs are being developed that decrease DNA...Ch. 16 - How can understanding the gene expression pattern...
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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
- The promoter and terminator regions of genes are important in: a. coding for amino acids b. gene regulation c. structural support for the gene d. intron removal e. anticodon recognitionarrow_forwardWhich of the following is/are typically removed from pre-mRNA during nuclear processing in eukaryotes? (a) upstream leader sequences (b) poly-A tail (c) introns (d) exons (e) all the precedingarrow_forwardPut the following processes in order of their occurrence during expression of a eukaryotic gene: a. mRNA processing c. transcription b. translation d. RNA leaves nucleusarrow_forward
- Portions of eukaryotic mRNA sequence that are removed during RNA processing are . a. exons b. caps c. poly-A tails d. intronsarrow_forwardWhich of the following is true of the timing of RNA processing? The premise is false; mRNA processing does not occur in eukaryotes mRNA processing occurs in the cytosol after pre-mRNA is exported from the nucleus mRNA processing occurs co-transcriptionally mRNA processing occurs in the nucleus after transcription has terminatedarrow_forwardWhich of the following processes includes the removal of introns in the primary RNA transcripts? Group of answer choices transcription translation post-translational modification post-transcriptional modificationarrow_forward
- Unlike transcription in most prokaryotes, transcription in eukaryotes Group of answer choices makes use of regulatory regions called promoters is affected by degeneracy of the genetic code. produces an RNA molecule that has to undergo modification to remove introns. proceeds in the 5’-3’ direction, while it proceeds in the opposite direction in prokaryote all of these are truearrow_forwardIn order for transcription to occur, the DNA molecule must be "unzipped". Messenger RNA is then produced using one of the DNA strands as a template. As the mRNA lengthens, it separates from the DNA strand. The two DNA strands then come back together. True Falsearrow_forwardIn eukaryotic cells, alternative splicing of the pre-mRNA (primary transcript) to form different mature mRNAs is an example of _________________ regulation. A) transcriptional B)post-transcriptional C) translational D) post-translationalarrow_forward
- In eukaryotes, which of the following statements is correct with regard to introns and exons? Mature mRNA contains a mix of introns and exons Introns in DNA are removed by spliceosomes Failure to remove introns can lead to production of faulty protein Exons are repeating sequences typically found at the end of a gene Introns are transcribed from promoter sequencearrow_forwardIn prokaryotes, control of gene expression usually occurs at the a. splicing of pre-mRNA into mature mRNA. b. initiation of translation. c. initiation of transcription. d. All of the choices are correct.arrow_forwardWhich of the following statements regarding complementary molecules in transcription is false? Group of answer choices The sense strand is complementary to the template strand The transcribed RNA is complementary to the noncoding strand The coding strand is complementary to the antisense strand The transcribed RNA is complementary to the coding strandarrow_forward
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