Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 10, Problem 5SQ
Summary Introduction
Introduction: Genes are the fundamental unit of heredity which is composed of DNA. Each gene specifies a particular protein. For this, the genes will be converted into a useful product through the process of gene expression. Gene expression involves the conversion of DNA into RNA through the process of transcription and this RNA will be converted into proteins through the process of translation.
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Students have asked these similar questions
Proteins that regulate gene expression by directly binding to the DNA are known as _____.
a.
transcription factors
b.
transposable elements
c.
translation factors
d.
phosphorylation
e.
methylation
Which of the following gene regulation mechanisms are found ONLY in prokaryotes?
a.
coordinate regulation
b.
transcriptional regulation
c.
alternative splicing
d.
translational regulation
e.
DNA modifications
All of the following regarding ribosomes are true EXCEPT:
A. Ribosomes are comprised of protein and RNA.
B. Ribosomes coordinate with initiation and elongation factors to regulate translation.
C. Ribosomes bind transcripts in their promoters.
D. Prokaryotic ribosomes are comprised of a large and a small subunit.
E. Ribosomes in eukaryotic cells bind to complete transcripts.
Chapter 10 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 10 - The expression of a gene may depend on _______. a....Ch. 10 - Prob. 2SQCh. 10 - Binding of ______ to _______ in DNA can increase...Ch. 10 - Prob. 4SQCh. 10 - Prob. 5SQCh. 10 - Muscle cells differ from bone cells because...Ch. 10 - Prob. 7SQCh. 10 - Homeotic gene products _______. a. flank a...Ch. 10 - A gene that is knocked out is ________. a. deleted...Ch. 10 - Which of the following includes all of the others?...
Ch. 10 - Prob. 11SQCh. 10 - Effect of Paternal Grandmothers Food Supply on...Ch. 10 - Prob. 2DAACh. 10 - Effect of Paternal Grandmothers Food Supply on...Ch. 10 - Prob. 12SQCh. 10 - A cell with a Barr body is ___ . a. a bacterium b....Ch. 10 - Operons _____. a. only occur in bacteria b. have...Ch. 10 - Prob. 15SQCh. 10 - Why are some genes expressed and some not?Ch. 10 - Prob. 2CTCh. 10 - Almost all calico cats (one is pictured in FIGURE...Ch. 10 - The photos above show flowers from Arabidopsis...
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- Prokaryotic gene regulation occurs at the level of ________. a. translation b. transcription c. both transcription and translationarrow_forwardIn eukaryotes, MRNA processing may involve all of the following events except A. repair of MRNA mutations B. addition of a 5' cap. C. addition of a poly A to the 3' end. D. alternative splicing. E. removal of intronsarrow_forwardWhich of the following statements is INCORRECT? a. In simultaneous transcription of mRNA, many messenger RNA may be transcribed from different DNA strand happening all at once. b. All of the following statements are incorrect c. A poly A - tail is added at the end of the 3’ base. d. In eukaryotic cells, messenger RNA must exit the nucleus and enter the cytoplasmarrow_forward
- Suppose hemoglobin is inhibited at the post-translational level. This means is it regulated at the _____ Select one: a. DNA level and mRNA will not be made b. tRNA level and protein will not be made c. mRNA level and the protein will not be made d. protein level and it will be inactive e. precursor mRNA level and mature mRNA will not be madearrow_forwardProteins that influence RNA synthesis by binding directly to DNA are called_____ . a. promoters c. operators b. transcription factors d. enhancersarrow_forwardWhich of the following statements are true about eukaryotic mRNA?a. The sigma factor is essential for the correct initiationof transcription.b. Processing of the nascent mRNA may begin beforeits transcription is complete.c. Processing takes place in the cytoplasm.d. Termination is accomplished by the use of a hairpinloop or the use of the rho factor.e. Many RNAs can be transcribed simultaneously fromone DNA templatearrow_forward
- Some events that take place in proteins synthesis are shown below: A. An enzyme reads the gene surface B. A transcription factor bonds to a promoter site C. An mRNA molecule is produced D. The transcript leaves the nucleus E. An MRNA polymerase attaches to the template strand Which if the following shows the correct sequence? ACEDB ЕВАCD ОВАСЕ D EACAD О САВЕD О АВСЕD В АEDC ВЕАСD EABCDarrow_forwardMatch the items listed below with "eukaryotic" if they can be found in eukaryotic cells only, "prokaryotic" if they are found in prokaryotic cells only, or "both" if they are found in both. poly-adenylation signal sequence Shine-Delgarno sequence MRNA A. eukaryotic TRNA B. prokaryotic В. intron splicing factors both C. 5 capped mRNA endonucleases rRNA 主arrow_forwardWhich of the following is not a function of the 5’ cap and 3’ poly-A tail of a mature eukaryotic mRNA molecule? a. To facilitate splicing b. To prevent mRNA degradation c. To aid export of the mature transcript to the cytoplasm d. To aid ribosome binding to the transcriptarrow_forward
- Imagine that mutations occurred in one of the inverted repeat sequences within the rho-independent terminator sequence of a bacterium. What would likely be the consequence of this mutation? Select one: a. Transcription may not be initiated at all. b. Transcription may end prematurely. c. Transcription may be delayed. d. The rho protein won't be able to bind and transcription may not be terminate. e. Transcription may not be terminated and result in much longer RNA.arrow_forwardProkaryotes regulate their processes primarily at the level of transcription. At what level (s) do eukaryotes regulate gene expression? O a. At the epigenetic level b. At the transcriptional level O c. At the translational level d. At the post-translational level All of the abovearrow_forwardTranscription take place in the_____ of prokaryotic cells. a. nucleus c. cytoplasm b. plasma membrane d. all of the abovearrow_forward
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