BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 9, Problem 15SA
Put the following processes in order of their occurrence during expression of a eukaryotic gene:
| a.
|
c. transcription |
| b. translation | d.
|
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Define the following terms: a. rRNA b. tRNA c. mRNA d. siRNA e. miRNA
For each of the following, identify the type of RNA involved (mRNA, rRNA, or tRNA). a. Transports the correct amino acid to the ribosome, using the information encoded in the mRNA. b. Is a major component of ribosomes. c. Specifies the order of amino acids in a protein, using a series of three-base codons, where different amino acids are specified by particular codons. d. Contains a three-base anticodon that pairs with a complementary codon revealed in the mRNA. e. Assists in making the bonds that link amino acids together to make a protein.
If a cell's DNA was mutated such that it lost the promoter of a gene, you would expect:
a.
That ribosomes wouldn’t bind to that gene
b.
No effect since the promoter doesn't have any coding information for the amino acids in the polypeptide
c.
Ribosomes would never stop translating that gene
d.
Transcription factors for that gene would no longer bind to activate expression of that gene
e.
tRNA would no longer bind to the codons of that gene
Chapter 9 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 9 - A chromosome contains many different gene regions...Ch. 9 - A binding site for RNA polymerase is called a...Ch. 9 - An RNA molecule is typically _________ ; a DNA...Ch. 9 - RNAs form by ______ ; proteins form by ________ ....Ch. 9 - Prob. 5SACh. 9 - Prob. 6SACh. 9 - Energy that drives transcription is provided...Ch. 9 - Most codons specify an _________ . a. protein c....Ch. 9 - Anticodons pair with _______ . a. mRNA codons c....Ch. 9 - What is the maximum number of amino acids that can...
Ch. 9 - _______ are removed from new mRNAs. a. Introns c....Ch. 9 - Where does transcription take place in a...Ch. 9 - Where does translation take place in a eukaryotic...Ch. 9 - Energy that drives translation is provided mainly...Ch. 9 - Put the following processes in order of their...Ch. 9 - Prob. 16SACh. 9 - Researchers are designing and testing antisense...Ch. 9 - An anticodon has the sequence GCG. What amino acid...Ch. 9 - Each position of a codon can be occupied by one of...Ch. 9 - Prob. 4CTCh. 9 - Translate the sequence of bases in the previous...Ch. 9 - Prob. 6CT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Briefly describe the function of the following in protein synthesis. a. rRNA b. tRNA c. mRNAarrow_forwardWhich of the following statements are NOT true? A. Replication is the process of making DNA and takes place in the nucleus of prokaryotic cells. B. Translation produces a polypeptide that may require additional processing to become a functional protein C. Transcription starts at the promoter of eukaryotic cells and scans until reaches the start codon. D. Splicing results in exons being put together and introns being removedarrow_forwardWhat factors are utilized by the cell in order to recognize the stop codon and disassemble the translation machinery? A. elongation factors B. release factors C. transcription factors D. initiation factors E. mRNA factorsarrow_forward
- Draw a typical eukaryotic gene and the pre-mRNA and mRNA derived from it. Assume that the gene contains three exons. Identify the following items and, for each item, give a brief description of its function: a. Transcription start site b. 3′ untranslated region c. Intronsarrow_forwardWhich of the following order of events correctly depicts the Central Dogma as it would occur in an eukaryotic organism? a. DNA --> Protein --> mRNA b. DNA --> Pre-mRNA --> mRNA --> Protein c. mRNA --> DNA --> Protein d. Protein --> DNA --> Pre-mRNA --> mRNA e. DNA --> mRNA --> Proteinarrow_forwardCystic Fibrosis is a genetically heritable disease caused by the loss of the chloride channel, CFTR. Studies of this gene have found that the Gene includes 250,000bp in the DNA. Scientists found that the mRNA had 6,500 nucleotides, and the final protein had 1480 amino acids. How much of the mRNA is untranslated? How much of the RNA that is produced does not leave the nucleus? One of the mutations that results in a disease phenotype can be easily identified because the mutation results in a much longer mRNA then normal. Where would you look for this mutation? What might this mutation have affected?arrow_forward
- In eukaryotic organisms, pre-mRNA transcripts are formed and need to be modified in order to create the mature mRNA destined for translation. Which of the following indicate modifications that occur as part of this process? a. The pre-mRNA is spliced to produce multiple mature mRNAs b. A 3' poly-A tail is attached to the mature mRNA c. A 5' cap is attached to the mature mRNA d. All of the above are ways in which the pre-mRNA is modified to create the mature mRNA e. None of the above are ways in which the pre-mRNA is modified to create the mature mRNAarrow_forwardWrite a sentence describing the role of each of the following types of RNA in gene expression. mRNA- rRNA- tRNA- snRNA-arrow_forwardAll of the following are transcribed directly from DNA except: A. proteins B. rRNA c. tRNA d. introns e. exonsarrow_forward
- A few genes produce regulatory molecules that help the cell assemble proteins. The journey from gene to protein is complex and tightly controlled within each cell. Which of the following statements best describes the role of DNA and RNA in protein synthesis? * A. DNA is the primary genetic material contained within a cell. B. DNA is the long-term storage while RNA is the messenger containing instruction from DNA C. DNA creates protein during protein synthesis & converts it into usable molecules while RNA assembles amino acid into a protein. D. All of the above. Humans and chimpanzees share many common characteristics. How would you explain the similarities of the amino acid sequences that can be found in both organisms? * A. Two groups share a relatively common ancestor B. Humans evolved from chimpanzees C. Two groups belong to the same species D. Chimpanzees evolved from…arrow_forwardOccurring in the nucleus ribosome mitochondrion , translation transcription is the process of making an RNA copy from a DNA template. The molecule then enters the cytoplasm. The process in which the mRNA sequence is converted into a sequence of amino acids is called translation transcription . In the cytoplasm, the nucleus ribosome mitochondrion reads the amino acid sequence and assembles the protein.arrow_forwardSeveral different nucleic acids are involved in the process of getting a protein produced from a gene. DNA contains the "genetic code" for the protein. DNA is double-stranded, but only one strand is transcribed into MRNA. The MRNA then goes into the cytoplasm where it is translated into protein with the help of TRNA. At each stage of the process, there is base complementarity (A pairs with T/U and C pairs with G) between the nucleic acids involved to ensure the integrity of the DNA blueprint for the protein being produced. Therefore, some of the four strands of nucleic acids involved will match (except U replaces T in RNA) and some will have base complementarity. Indicate whether there is matching (1) or base complementarity (2) between the following nucleic acids. DNA sense strand and MRNA DNA sense strand and tRNA DNA antisense strand and MRNA MRNA and TRNAarrow_forward
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