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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Chapter 11, Problem 2TY
Summary Introduction
Introduction:
Ribonucleic acid (RNA) is an important
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An ncRNA may have the following functions: scaffold, guide, alterer of protein function or stability, ribozyme, blocker, and/or decoy. Which of these functions are mediated by each type of ncRNA listed next? Note: A singlencRNA may have more than one function.
A. tRNAB. rRNAC. SRP RNAD. piRNA
Define the following terms:a. tmRNAb. SECIS elementc. initiationd. elongatione. termination
Introduction of dsrna into cell:
mrna immediately degraded
dsrna translocated to the nucleus
dsrna is recognized by risc
dsrna is recognized by dicer
Chapter 11 Solutions
Principles of Biology
Ch. 11.1 - Which of these binding interactions might be...Ch. 11.1 - Prob. 1TYKCh. 11.1 - When an ncRNA functions as a decoy, it contains...Ch. 11.2 - Prob. 1BCCh. 11.2 - Prob. 1CCCh. 11.2 - Prob. 1TYKCh. 11.3 - Prob. 1CCCh. 11.3 - Prob. 1TYKCh. 11.4 - Explain why RISC binds to a specific mRNA. What...Ch. 11.4 - The process of RNA interference may lead to the...
Ch. 11.4 - To catalyze the methylation of an rRNA, a snoRNA...Ch. 11.5 - Prob. 1BCCh. 11.5 - Prob. 1TYKCh. 11.6 - Prob. 1CCCh. 11.6 - Which of the following components are needed for...Ch. 11.6 - Prob. 2TYKCh. 11.7 - Prob. 1TYKCh. 11 - Which of the following types of molecules could...Ch. 11 - Prob. 2TYCh. 11 - Prob. 3TYCh. 11 - Prob. 4TYCh. 11 - Prob. 5TYCh. 11 - Prob. 6TYCh. 11 - Prob. 7TYCh. 11 - Prob. 8TYCh. 11 - Prob. 9TYCh. 11 - Prob. 10TYCh. 11 - An ncRNA may have the following funtions:...Ch. 11 - Prob. 2CCQCh. 11 - Prob. 3CCQCh. 11 - Review the concept of an RNA world described in...Ch. 11 - Prob. 2CBQ
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- An ncRNA may have the following functions: scaffold, guide,alterer of protein function or stability, ribozyme, blocker, and/ordecoy. Which of those functions is/are mediated by each of thencRNAs listed next? (Note: A single ncRNA may have more thanone function.) A. HOTAIRB. RNA of RNasePC. microRNAD. crRNAarrow_forwardWhen an ncRNA functions as a decoy, ita. contains binding sites for many different proteins, therebypromoting the formation of a large complex.b. recognizes other ncRNAs and sequesters them, therebypreventing them from working.c. can alter its conformation, allowing it to switch betweenactive and inactivate conformations.d. may physically prevent or block a cellular process fromhappening.arrow_forwardWhich of the following can bind to ncRNAs?a. DNAb. RNAc. Proteinsd. Small moleculese. All of the abovearrow_forward
- List and briefly describe four types of molecules that can bind to an ncRNA.arrow_forwardWhich of the following is an intron and intergenic coded long transcripts, processed into stem and loop structures that may bind specifically or otherwise? a. spliceosome RNA b. LncRNA c. miRNA d. piRNA e. siRNAarrow_forwardMicroRNAs are noncoding RNAs that are ___________________ to the body of the organism. They search the __________________ in the cytoplasm for sequence complementary to that of the miRNA. When such a molecule is found, it is then targeted for __________________. RNAi is double-stranded RNA that is ____________________ to the organism. It is digested into ______________________ RNA which will then bind a complementary sequence on the mRNA of the organism, effectively protecting it from translating foreign sequences. exogenous methylation riboswitch destruction mitochondria endogenous Dicer mRNA rRNA DNA phosphorylation single-stranded RNA double-stranded RNA prokaryotic…arrow_forward
- RNA interference is mediated by: a. miRNA b. tRNA c. sgRNA d. mRNAarrow_forwardWhat type of RNAi silencing targets DNA? What mechanism does this type of RNAi use? Group of answer choices siRNA; results in methylation of DNA miRNA; results in methylation of the DNA siRNA; results in degradation of DNA asRNA; results in degradation of the DNA asRNA; results in methylation of the DNA miRNA; results in degradation of the DNAarrow_forward1. RNAi is mediated by these short single-stranded RNA molecules incorporated into RISC Group of answer choices a. miRNA b. piwiRNA c. Guide RNA d. siRNA 2.The post-transcriptional addition or removal of nucleotides is called Group of answer choices a. RNA Splicing b. RNA Repair c. RNA Editing d. RNA Decayarrow_forward
- Imagine the four basic components of gene regulation are DNA, RNA, proteins, and small molecules. Which of these things can ncRNA interact with?arrow_forwardA double-stranded RNA has been generated by release/splicing out of an intron within the nucleus...outline the pathway taken to generate microRNA and its action on the shutdown of protein biosynthesisarrow_forwardGiven that ncRNA can have separate protein interaction sequences and nucleotide interaction sequences, do you think a single ncRNA could guide different proteins to the same DNA sequence? Why or why not?arrow_forward
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