Human Heredity: Principles and Issues
11th Edition
ISBN: 9781305683952
Author: Michael Cummings
Publisher: Cengage Learning US
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Chapter 9, Problem 7QP
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 recognition
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Choose the item in column 2 that best matches each item in column 1.
A. Provides information for production of protein
B. Binds to promoter
C. Promoter has a box A and box B consensus sequences
D. Autocatalytic RNA molecules
E. Associated with transcription termination
F. Polymerization of ribonucleotides to form RNA molecules
G. 7-methyl guanosine
H. MRNA prior to processing
select - 1. Core RNA polymerase
select
2. rho (p) factor
select
3. hnRNA
select - 4. RNA
select -5. RNA polymerase holoenzyme
select
6. Ribozymes
select - 7. 5' MRNA cap
select
8. MRNA
Provide the SIGNIFICANT differences between the following:
1. Regulation AFTER transcription
mRNA processing
miRNAs
a.
b.
2. Types of Genes
Facultative
Constitutive
a.
b.
Consider this list (below) of steps involved in transcription. These steps are out of order.
TRANSCRIPTION:
1. mRNA travels through a nuclear pore and enters the cytoplasm
2. the mRNA polymerase attaches at the start of a specific gene
3. RNA polymerase reads the gene surface4. a transcription factor bonds to a promoter site5. DNA molecule is unwound
6. a complimentary mRNA is produced
What is the correct order of this transcription?
Chapter 9 Solutions
Human Heredity: Principles and Issues
Ch. 9.6 - Antibiotics and Protein Synthesis Antibiotics are...Ch. 9.6 - Antibiotics and Protein Synthesis Antibiotics are...Ch. 9 - There have been recurring cases of mad-cow disease...Ch. 9 - There have been recurring cases of mad-cow disease...Ch. 9 - There have been recurring cases of mad-cow disease...Ch. 9 - The Link Between Genes and proteins The genetic...Ch. 9 - Define replication, transcription, and...Ch. 9 - If the genetic code used 4 bases at a time, how...Ch. 9 - If the genetic code uses triplets, how many...Ch. 9 - What is the start codon? What are the stop codons?...
Ch. 9 - Is an entire chromosome made into an mRNA during...Ch. 9 - The promoter and terminator regions of genes are...Ch. 9 - The following segment of DNA codes for a protein....Ch. 9 - What are the three modifications made to pre-mRNA...Ch. 9 - The pre-mRNA transcript and protein made by...Ch. 9 - Briefly describe the function of the following in...Ch. 9 - Prob. 12QPCh. 9 - Determine the percent of the following gene that...Ch. 9 - How many kilobases of the DNA strand below will...Ch. 9 - Prob. 15QPCh. 9 - Given the following tRNA anticodon sequence,...Ch. 9 - Given the following mRNA, write the...Ch. 9 - The following is a portion of a protein:...Ch. 9 - Below is the structure of glycine. Draw a...Ch. 9 - Indicate in which category, transcription or...Ch. 9 - Prob. 21QPCh. 9 - Polypeptide folding is often mediated by other...Ch. 9 - Do mutations in DNA alter proteins all the time?Ch. 9 - a. Can a mutation change a proteins tertiary...
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- 1. Transcription: a)State the role of RNA polymerase in gene transcription.b. Explain why the DNA is not used directly for protein translation (i.e., why is mRNA used instead?).c. Explain what occurs when a gene’s promoter region is open for RNA polymerase binding.d. Explain what occurs when a gene’s promoter regions is blocked from binding RNA polymerase.e. Explain how two cells, such as liver cells and skin cells, can become specialized in structure and function despite containing the same genome.arrow_forwardWhich of the following is an RNA processing event that increases the number of potential polypeptides that can be encoded by a single gene. a. transcription b. alternative splicing c. alternative transcription d. polyadenylationarrow_forwardWhich of the following about the splicing in posttranscriptional processing is NOT true? a. In bacterial, the genes coding for polypeptides are interrupted by non-coding regions. O b. O C. O d. Introns in eukaryotic hnRNA must be cut out before mature mRNA can be used for protein synthesis. Alternate splicing can lead to tissue-specific proteins. Splicing can lead to multi-domain proteins.arrow_forward
- Which of the following is NOT a DIFFERENCE between prokaryotic and eukaryotic gene regulation? A. prokaryotic mRNA is NOT capped by a 5’mG after transcription, but eukaryotic mRNA is so capped B. eukaryotic mRNAs are monocistronic (encode single proteins), whereas prokaryotic mRNAs are polycistronic (encode multiple proteins) C. prokaryotic mRNA is not modified by polyadenylation after transcription, but eukaryotic mRNA is so modified. D. translation of eukaryotic mRNA into protein is not coupled to transcription of the mRNA from DNA, but in prokaryotes it is so coupled E. prokaryotic translation and eukaryotic translation use different genetic codes to translate mRNA codons into amino acid sequences of proteinsarrow_forwardChoose all items that regulate the transcription of mRNAs.Group of answer choices A. Transcription factor proteins B. Intron sequences C.. DNA promoter sequences D. DNA enhancer regions E. Exon sequencesarrow_forwardThe insertion of transposable elements into genes can alter the normal pattern of expression. In the following situations, describe the possible consequences on gene expression.a. A LINE inserts into an enhancer of a human gene. b. A transposable element contains a binding site for a transcriptional repressor and inserts adjacent to a promoter. c. An Alu element inserts into the 3′ splice (AG) site of an intron in a human gene. d. A Ds element that was inserted into the exon of a maize gene excises imperfectly and leaves three base pairs behind in the exon. e. Another excision by that same Ds element leaves two base pairs behind in the exon. f. A Ds element that was inserted into the middle of an intron excises imperfectly and leaves five base pairs behind in the intron.arrow_forward
- Alternate splicing: A. Reduces mRNA half-life by shortening poly(A) tails B. Disrupts histone arrangement for increased transcription C. Uses topoisomerase to complete its function D. Can produce 2 or more products from one genearrow_forwardWhich of the following are elongation factors involved in the release of free tRNAs? a.EF-G b.EF-Ts c.EF-Tu d.EF-Parrow_forwarda) Define the term gene expression b) State 4 difference between prokaryotes and eukaryotes gene expression c) state the importance of regulating gene expressionarrow_forward
- Following is the sequence of a segment of mRNA: CGA AAA GUU UUU What are the anticodons of the tRNAs that will be used for translating this mRNA segment? Group of answer choices a. CGA, AAA, GUU, and UUU b. ARG, LYS, VAL, and PHE c. GCU, UUU, CAA, and AAA d. Arg-Lys-Val-Phe e. GCT, TTT, CAA, and AAAarrow_forwardDefine promoter region and list three of its properties.arrow_forwarda) what is a promoter and give the element and their functions of E.coli promoter b) what are eukaryotic transcription factor and list the class 2 general transcription factors and state their functionsarrow_forward
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