Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 12, Problem 19CONQ
If the following RNA polymerases were missing from a eukaryotic cell, what types of genes would not be transcribed?
A. RNA polymerase I
B. RNA polymerase II
C. RNA polymerase III
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Students have asked these similar questions
Assume that a mutation occurs in the gene that encodes each of the
following RNA polymerases. Match the mutation with its possible
effects by placing the correct letter or letters in the blanks below. There
may be more than one effect for each mutated polymerase.
A mutation in the gene that codes for E
RNA polymerase I
RNA polymerase II
RNA polymerase III
Possibleeffects
a. tRNA is not synthesized
b. Some ribosomal RNA is not synthesized
c. Ribosomal RNA is not processed
d. pre-mRNA is not processed
e. Some mRNA molecules are not degraded
f. pre-mRNA is not synthesized
Below is an electron micrograph illustrating the process of simultaneous transcription and translation in a prokaryotic cell. Use this illustration to answer the question.
A.
Which of the following statements is correct?
1. The direction indicated by A, is the correct direction of RNA polymerase movement.
2. If C and D are both pointing to the first ribosome in the chain, then ribosome C is carrying a longer polypeptide chain.
3. If E is pointing to mRNA, then it is pointing to the 5'end of the mRNA.
4. If B is pointing to the DNA, then it is pointing to the 5' end of the DNA.
O A. 1, 2 and 3
O B. 1 and 3
O C. 2 and4
O D. 4 only
O E. All of 1, 2, 3 and 4 are correct
An anticodon would be found on which of the following types of RNA?
a. snRNA (small nuclear RNA)
b. mRNA (messenger RNA)
c. tRNA (transfer RNA)
d. rRNA (ribosomal RNA)
Chapter 12 Solutions
Genetics: Analysis and Principles
Ch. 12.1 - 1. Which of the following base sequences is used...Ch. 12.1 - Prob. 2COMQCh. 12.2 - With regard to a promoter, a transcriptional start...Ch. 12.2 - Prob. 2COMQCh. 12.2 - 3. Sigma factor is needed during which stage(s) of...Ch. 12.2 - A uracil-rich sequence occurs at the end of the...Ch. 12.3 - Which RNA polymerase in eukaryotes is responsible...Ch. 12.3 - Prob. 2COMQCh. 12.3 - Prob. 3COMQCh. 12.3 - Prob. 4COMQ
Ch. 12.4 - Which of the following are examples of RNA...Ch. 12.4 - A ribozyme is a. a complex between RNA and a...Ch. 12.4 - Prob. 3COMQCh. 12.4 - Prob. 4COMQCh. 12.5 - 1. Which of the following is not a key difference...Ch. 12 - Prob. 1CONQCh. 12 - Prob. 2CONQCh. 12 - Prob. 3CONQCh. 12 - Prob. 4CONQCh. 12 - 5. Mutations in bacterial promoters may increase...Ch. 12 - Prob. 6CONQCh. 12 - 7. In Chapter 9, we considered the dimensions of...Ch. 12 - 8. A mutation within a gene sequence changes the...Ch. 12 - Prob. 9CONQCh. 12 - At the molecular level, describe how factor...Ch. 12 - Prob. 11CONQCh. 12 - What is the complementarity rule that governs the...Ch. 12 - 13. Describe the movement of the open complex...Ch. 12 - 14. Describe what happens to the chemical bonding...Ch. 12 - Prob. 15CONQCh. 12 - Prob. 16CONQCh. 12 - Prob. 17CONQCh. 12 - Mutations that occur at the end of a gene may...Ch. 12 - If the following RNA polymerases were missing from...Ch. 12 - 20. What sequence elements are found within the...Ch. 12 - 21. For each of the following transcription...Ch. 12 - 22. Describe the allosteric and torpedo models for...Ch. 12 - Which eukaryotic transcription factor(s) shown in...Ch. 12 - 24. The initiation phase of eukaryotic...Ch. 12 - A eukaryotic protein-encoding gene contains two...Ch. 12 - 26. Describe the processing events that occur...Ch. 12 - Prob. 27CONQCh. 12 - Prob. 28CONQCh. 12 - Prob. 29CONQCh. 12 - Prob. 30CONQCh. 12 - 31. In eukaryotes, what types of modifications...Ch. 12 - Prob. 32CONQCh. 12 - Prob. 33CONQCh. 12 - 34. Figure 12.21 shows the products of alternative...Ch. 12 - 35. The processing of ribosomal RNA in eukaryotes...Ch. 12 - Prob. 36CONQCh. 12 - Prob. 37CONQCh. 12 - After the intron (which is in a lariat...Ch. 12 - Prob. 1EQCh. 12 - 2. Chapter 21 describes a technique known as...Ch. 12 - Prob. 3EQCh. 12 - As described in Chapter 21 and in experimental...Ch. 12 - Prob. 5EQCh. 12 - Prob. 6EQCh. 12 - 1. Based on your knowledge of introns and pre-mRNA...Ch. 12 - Discuss the types of RNA transcripts and the...
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- 1) name three types of RNA in a cell and their functions; 9. What is the role of RNA polymerase? To answer the question please: 2) draw a scheme of RNA synthesis; 3) name the enzymes required for RNA synthesis.arrow_forwardWhich of the following amino acids is carried by the tRNA that initiates translation in eukaryotes? a.Tryptophan b.Leucine c.Methionine d.Alaninearrow_forwardMessenger RNA in eukaryotic cells is synthesized by which of the following enzymes (stronglyinhibited by even very dilute concentrations of the fungal poison a-amanitin)?A. DNA polymerase IIIB. RNA polymerase IIIC. RNA polymerase IID. DNA polymerase IE. RNA polymerase Iarrow_forward
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