Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 4.3, Problem 1BC
Summary Introduction
To analyze:
Theeffect of alternative splicing on the structure and function of the cell.
Introduction:
The methods of controlling the part of DNA to be transcribed are referred to as gene expression. The gene expression is regulated by binding of the protein to specific sites on the DNA molecule and synthesizing regulator gene that encodes for the synthesis of the molecule known as the repressor molecule.
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19. In eukaryotic gene expression, non-coding RNAS such as miRNA (microRNA) have an
important role in gene regulation. That role is to ...
A) bind to target mRNA to prevent translation
B) bind to target mRNA to prevent transcription
C) block RNA polymerase from reaching the promoter
D) increase levels of chromatin packing
Can you explain it?
Given: eukaryotic cells can make different proteins, using only one gene. How can a eukaryotic cell make different final proteins from the same gene? Note: some of the answers are actually correct statements, but they don't have anything to do with this question.
A.Eukaryotes have 3 RNA polymerases instead of just one.
B.Eukaryotes cannot perform simultaneous transcription and translation.
C.Eukaryotes splice RNA and can do so in various arrangements.
D.Eukaryotes lack the Shine Delgarno sequence.
Chapter 4 Solutions
Principles of Biology
Ch. 4.1 - With regard to the origin of life, why are...Ch. 4.1 - Prob. 2CCCh. 4.1 - Prob. 3CCCh. 4.1 - Prob. 1BCCh. 4.1 - Prob. 4CCCh. 4.1 - Prob. 1TYKCh. 4.1 - Prob. 2TYKCh. 4.1 - Prob. 3TYKCh. 4.2 - Prob. 1CCCh. 4.2 - Prob. 1TYK
Ch. 4.2 - Prob. 2CCCh. 4.2 - Prob. 2TYKCh. 4.3 - Prob. 1BCCh. 4.3 - Prob. 1CCCh. 4.3 - Prob. 2BCCh. 4.3 - Prob. 1TYKCh. 4.3 - Prob. 2TYKCh. 4.3 - Prob. 3TYKCh. 4.4 - Prob. 1BCCh. 4.4 - Prob. 1CCCh. 4.4 - Prob. 1TYKCh. 4.4 - Prob. 2BCCh. 4.4 - Prob. 2TYKCh. 4.4 - Prob. 3TYKCh. 4.5 - What is the function of the nuclear lamina and the...Ch. 4.5 - Prob. 1BCCh. 4.5 - Prob. 2CCCh. 4.5 - Prob. 1TYKCh. 4.5 - Prob. 2TYKCh. 4.5 - Prob. 3TYKCh. 4.6 - What is the advantage of having a highly...Ch. 4.6 - Prob. 1BCCh. 4.6 - Prob. 2CCCh. 4.6 - Prob. 1TYKCh. 4.6 - Prob. 2TYKCh. 4.7 - Prob. 1TYKCh. 4.8 - Prob. 1CCCh. 4.8 - Prob. 2CCCh. 4.8 - Prob. 3CCCh. 4.8 - Prob. 4CCCh. 4.8 - Prob. 1TYKCh. 4.8 - Prob. 2TYKCh. 4.8 - Prob. 3TYKCh. 4.9 - Which of the following could be found in a...Ch. 4.9 - Prob. 2TYKCh. 4 - The cell theory states that all living things are...Ch. 4 - Prob. 2TYCh. 4 - Prob. 3TYCh. 4 - Prob. 4TYCh. 4 - Prob. 5TYCh. 4 - Prob. 6TYCh. 4 - Prob. 7TYCh. 4 - Prob. 8TYCh. 4 - Prob. 9TYCh. 4 - Prob. 10TYCh. 4 - Describe two specific ways that protein-protein...Ch. 4 - Explain how motor proteins and cytoskeletal...Ch. 4 - A principle of biology is that structure...Ch. 4 - Prob. 1CBQCh. 4 - Prob. 2CBQ
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- 1. describe genome packaging of prokaryotes? 2. what is the role of topoisomerase? 3. what is the difference between nucleosome and chromatosome? 4. Compare the feature of euchromatin and heterochromatin? 5. Describe CPG islands? 6. In genes that are rapidly transcribed, methylation take place on what histone and what amino acids? What is this methylation role? 7. Describe the interactions between DNA and histones? 8. describe the following words: Domain, MAR, Positive supercoil, Insulator elements 9. Compare the regeneration of nucleosomes in the transcription and replication process by mentioning the name of the corresponding enzyme complex.arrow_forwardDate: Class: Name: Transcription Questions Answer the following questions. 1. What bases are found in RNA? 2. What bases are found in DNA? 3. Which strand is the messenger RNA complementary to? 4. Which strand is the messenger RNA nearly identical to? 5. What proteins help to direct the RNA Polymerase to the right location? 6. The end of a new nucleotide is always added to the end of an existing strand. 7. Distinguish between the following two terms: chromosome and gene. 8. Scientists have long referred to the DNA between genes as "junk DNA". But as scientists study the genome, they discover new and unique reasons why this DNA is not really "junk". Using internet resources, research 2 functions for sections of DNA in between genes. Describe your findings below. C) 2015 Bethany Lau.arrow_forwardQ1: Why is only one strand of DNA used as a template? Q2: If a mutation occurred within the promoter or terminator region, do you think it would affect the mRNA transcribed? Why or why not? Q3: The template strand of part of a gene has the base sequence TGAGAAGACCAGGGTTGT. What is the sequence of RNA transcribed from this DNA, assuming that RNA polymerase travels from left to right on this strand?arrow_forward
- 1)A. how do you read a sequence of DNA (template or non-template strand) to convert it an mRNA sequence and to a protein? B.How does chromatin remodeling regulate gene transcription? C. What are the major differences between gene expression in bacteria and eukaryotes D. How are non-coding regions involved in gene transcription? E. Explain how eukaryotic genes sometimes produce multiple protein products?arrow_forward18arrow_forwardIn a eukaryotic cell, four general types of RNA molecules are involved in gene expression. a) What are these four types of RNA? 2. b) Which is not involved in gene expression in prokaryotic cells? Why not?arrow_forward
- Which of the following is the correct sequence for RNA splicing: 1. U2 binds to the branch site and ATP is hydrolyzed 2. U1 binds to the GU sequence at 5’ splice 3. U5/U4/U6 trimer binds 4. U2/U5/U6 are bound to lariat and 3’ site is cleaved and exons are ligated using ATP hydrolysis. 5. U1 is release, U5 shifts from exon to intron and U6 binds at the 5’ splice site 6. U4 is released, U6/U2 catalyzes transesterification, U5 binds exon at 3’ splice site, and the5’ site is cleaved. Group of answer choices 4,3,1,2,6,5 5,4,2,3,6,1 3,1,4,2,5,6 1,2,3,4,5,6 2,1,3,5,6,4arrow_forwardWhich of the following is likely associated with the mRNA processing step of alternative splicing? 1. A gene is discovered to encode for two different proteins one protein has 46 amino acids and the other protein has 86 amino acid 2. A gene has 7 exons. one processed mRNA transcript from this gene contains exons 3, 4, 6 and 7. a second process mRNA transcript from this gene contains exons 2, 3, 5, and 7 3. The open reading frame of a gene contains 90 nucleotides but the translated polypeptide contains only 29 amino acids 4. Complexity of the transcrptome ( # of different mRNA molecules) increasesarrow_forwardWhich of the following methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria? a) control of chromatic remodeling. b) control of RNA splicing. c) transcriptional control. d) control of both RNA splicing and chromatin remodeling.arrow_forward
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