CAMPBELL MASTERING BIOLOGY ACCESS>I<
18th Edition
ISBN: 9781323766286
Author: Pearson
Publisher: PEARSON
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Chapter 14, Problem 4TYU
Summary Introduction
Introduction:
During the process of gene expression, the premature RNA (ribonucleic acid) is converted into the matured form of RNA called mRNA (messenger ribonucleic acid), and the step is called as RNA splicing.
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Which of the following is not true of RNA processing?(A) Exons are cut out before mRNA leaves the nucleus.(B) Nucleotides may be added at both ends of the RNA.(C) Ribozymes may function in RNA splicing.(D) RNA splicing can be catalyzed by spliceosomes.
Which of the following is true of the timing of RNA processing?
The premise is false; mRNA processing does not occur in eukaryotes
mRNA processing occurs in the cytosol after pre-mRNA is exported from the nucleus
mRNA processing occurs co-transcriptionally
mRNA processing occurs in the nucleus after transcription has terminated
The following statements best describes the RNA structure EXCEPT
it is usually single stranded
there are three predominant forms for protein synthesis
the repeating units are deoxyribonucleotides
some eukaryotic RNAs stay in the nucleus to help in post transcriptional modification
Chapter 14 Solutions
CAMPBELL MASTERING BIOLOGY ACCESS>I<
Ch. 14.1 - MAKE CONNECTIONS In a research article about...Ch. 14.1 - What polypeptide product would you expect from a...Ch. 14.1 - DRAW IT The template strand of a gene contains the...Ch. 14.2 - What is a promoter? Is it located at the upstream...Ch. 14.2 - What enables RNA polymerase to start transcribing...Ch. 14.2 - WHAT IF? Suppose X-rays caused a sequence change...Ch. 14.3 - Given that there are about 20,000 human genes, how...Ch. 14.3 - How is RNA splicing similar to how you would watch...Ch. 14.3 - WHAT IF? What would be the effect of treating...Ch. 14.4 - What two processes ensure that the correct amino...
Ch. 14.4 - Discuss the ways in which rRNA structure likely...Ch. 14.4 - Describe how a polypeptide to be secreted is...Ch. 14.4 - WHAT IF? DRAW IT Draw a tRNA with the anticodon...Ch. 14.5 - What happens when one nucleotide pair is lost from...Ch. 14.5 - Prob. 2CCCh. 14.5 - WHAT IF? DRAW IT The template strand of a gene...Ch. 14 - In eukaryotic cells, transcription cannot begin...Ch. 14 - Prob. 2TYUCh. 14 - The anticodon of a particular tRNA molecule is A....Ch. 14 - Prob. 4TYUCh. 14 - Which component is not directly involved in...Ch. 14 - Prob. 6TYUCh. 14 - Prob. 7TYUCh. 14 - Prob. 8TYUCh. 14 - Fill in the following table: Type of RNA Functions...Ch. 14 - SCIENTIFIC INQUIRY Knowing that the genetic code...Ch. 14 - Prob. 11TYUCh. 14 - FOCUS ON INFORMATION Evolution accounts for the...Ch. 14 - SYNTHESIZE YOUR KNOWLEDGE Some mutations result in...
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- Which one of the following options is NOT a step in RNA processing? Addition of the 5’ G cap Addition of the 3’ poly A tail Splicing to remove exons and connect the retained introns Splicing to remove introns and connect the retained exonsarrow_forwardWhich of the following, if any, cannot be genetically encoded in DNA? a)mRNA b)tRNA c)rRNA (RNA part of the ribosome) d)RNA parts of the spliceosomearrow_forwardWhich of the following statements regarding the genetic code is false? The genetic code is nearly universal. Each codon codes for only one amino acid. Three different codons function to terminate translation. There is a single initiation codon. Each amino acid is encoded by a single codon.arrow_forward
- Which of the following is not directly involved in translation? mRNA RNA Polymerase Ribosomes tRNA Elongation Factorsarrow_forwardWhich of the following is least likely following translation termination? The polypeptide is released. The mRNA is reused. The ribosome is reused. The polypeptide is immediately active.arrow_forwardWhich of the following segments of RNA are retained after conversion of a pre-mRNA to a mature mRNA? Group of answer choices Introns Exons Codons Nucleotidesarrow_forward
- mRNA does which of the following? bring genetic information from the nucleus to the cytoplasm bring genetic information from the cytoplasm to the nucleus transport amino acids to the ribosomes protect the RNA by capping and poly A -tailingarrow_forwardWhich of the following, if any, cannot be genetically encoded in DNA? a)mRNA b)tRNA c)rRNA (RNA part of the ribosome) d)RNA parts of the spliceosome e)They must all be encoded in DNAarrow_forwardWhat type of genetic regulation seems to be the most similar between prokaryotes and eukaryotes? Group of answer choices RNA splicing regulation transcriptional regulation 5'-capping regulation intron/exon shuffling poly-A tail additionarrow_forward
- Which of the following is the definition of a gene? RNA that delivers amino acids to a ribosome during translation RNA that carries a protein-building message A unit of information encoded in the sequence of nucleotide bases in DNA The RNA component of ribosomesarrow_forwardAn anti-codon is the sequence of the nitrogenous bases on the? complementary strand of DNA which codes for one amino acid complementary strand mRNA which codes for one amino acid tRNA molecule where the amino acid is attached tRNA molecule which recognises the appropriate sequence of bases on the mRNA mRNA molecule which instructs the ribosomes to initiate protein synthesisarrow_forwardThe 5’ cap is involved in all the following except: Question 19 options: Splicing exons Termination of transcription Translation Transport of the mRNA to the cytoplasm Protein stabilityarrow_forward
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