Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 13, Problem 7TYU
Which of the following is/are not found in a bacterial mRNA molecule? (a) stop codon (b) upstream leader sequences (c) downstream trailing sequences (d) start codon (e) promoter sequences
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During Codon recognition
(a) the ribosome moves towards the 3’ end of the mRNA (b) a tautomeric shift occurs (c) a peptide bond forms (d) anticodon and codon pairing occurs (e) all of the above
The portion of the mRNA that is removed during splicing is
(a) an inverted repeat (b) the promoter (c) the poly A tail (d) the intron (e) the exon
The ribosome is needed for translation of mRNA
(a) because it has the enzyme for adding amino acids to the 5’ end of a tRNA (b) because the ribosomal RNA contains the codon which determines the sequence of amino acids in a protein (c) because it positions tRNA and mRNA so that correct pairing of codon and anti-codon can occur (d) because it has an enzyme that removes introns from mRNA (e) all of the above
Chapter 13 Solutions
Biology (MindTap Course List)
Ch. 13.1 - Summarize the early evidence indicating that some...Ch. 13.1 - Describe how Beadle and Tatums experiments...Ch. 13.1 - Prob. 1CCh. 13.1 - How did the work of each of the following...Ch. 13.2 - Outline the flow of genetic information in cells,...Ch. 13.2 - Compare the structures of DNA and RNA.Ch. 13.2 - Explain why the genetic code is said to be...Ch. 13.2 - VISUALIZE Sketch a simple flow diagram that shows...Ch. 13.2 - Prob. 2CCh. 13.3 - Compare the processes of transcription and DNA...
Ch. 13.3 - Compare bacterial and eukaryotic mRNAs, and...Ch. 13.3 - In what ways are DNA polymerase and RNA polymerase...Ch. 13.3 - A certain template DNA strand has the following...Ch. 13.3 - What features do mature eukaryotic mRNA molecules...Ch. 13.4 - Identify the features of tRNA that are important...Ch. 13.4 - Explain how ribosomes function in polypeptide...Ch. 13.4 - Prob. 10LOCh. 13.4 - Prob. 11LOCh. 13.4 - What are ribosomes made of? Do ribosomes carry...Ch. 13.4 - What happens in each stage of polypeptide...Ch. 13.4 - A certain mRNA strand has the following nucleotide...Ch. 13.5 - Give examples of the different classes of...Ch. 13.5 - What are the main types of mutations?Ch. 13.5 - Prob. 2CCh. 13.6 - Briefly discuss RNA interference.Ch. 13.6 - Prob. 14LOCh. 13.6 - Prob. 15LOCh. 13.6 - Prob. 1CCh. 13.6 - Prob. 2CCh. 13.6 - Prob. 3CCh. 13 - Prob. 1TYUCh. 13 - What is the correct order of information flow in...Ch. 13 - During transcription, how many RNA nucleotide...Ch. 13 - The genetic code is defined as a series of...Ch. 13 - RNA differs from DNA in that the base...Ch. 13 - Prob. 6TYUCh. 13 - Which of the following is/are not found in a...Ch. 13 - Which of the following is/are typically removed...Ch. 13 - Prob. 9TYUCh. 13 - Suppose you mix the following components of...Ch. 13 - Prob. 11TYUCh. 13 - Prob. 12TYUCh. 13 - Compare and contrast the formation of mRNA in...Ch. 13 - Explain to a friend the experimental strategy that...Ch. 13 - Biologists hypothesize that transposons eventually...Ch. 13 - Prob. 16TYUCh. 13 - Prob. 17TYUCh. 13 - Prob. 18TYU
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- Which of the following is/are typically removed from pre-mRNA during nuclear processing in eukaryotes? (a) upstream leader sequences (b) poly-A tail (c) introns (d) exons (e) all the precedingarrow_forwardThe code is also said to be degenerate/ redundant, which means that (a) different codons can encode the same amino acid (b) the genetic code can mutate (c) the genetic code is read as a triplet (d) the genetic code is overlapping (e ) all of the abovearrow_forwardA synthetic mRNA was made by linking together 5 G-A 3' dinucleotides. Which amino acid(s) would be incorporated into protein in an in vitro translation of that mRNA?Question 30 options: A) only Glycine (Gly) B) only Glutamate (Glu) C) only Arginine (Arg) D) only Glutamate (Glu) and Arginine (Arg) E) Glycine (Gly), Glutamate (Glu), and Arginine (Arg)arrow_forward
- Sickle cell anemia is a widespread disease in many African countries and can be caused by a change in the amino acid sequence from glutamic acid to valine. A patient is diagnosed with the disease and a genetic fingerprint reveals the following DNA sequence for the gene: (a) (b) (c) (d) (e) Write down the mRNA sequence for the given DNA sense strand indicating the polarity. Derive the polypeptide from the mRNA molecule using the table of the genetic code (Table Q1 below) again indicating the polarity of the peptide chain. Indicate the position in the DNA molecule that could have caused the disease and write down all possible point mutations in the DNA sequence that could have caused it. [ The polypeptide chain is polymerized at the ribosomes using t-RNA molecules. Write down all possible t-RNA molecules with their anti-codons that are used to polymerize the amino acid VAL. Indicate the polarity. 3'-TAC TGA GCA AGA TTA CAT ACT-5' Explain what is meant by redundancy of the genetic code.…arrow_forwardOrder+the+following+of+protein+sentesis+sequence+from+earliest: (a)tRNA molecule bring specific amino acids to he mRNA molecule. b)mRNA nucleotides join with exposed DNA bases and form a molecule of mRNA.(c)The two stands of a DNA molecule separate. (d)Peptide bonds form between the amino acids. (e)the mRNA molecule leave the nucleus. (f) a ribosome attached to the mRNA molecule.arrow_forwardThe ribosome is needed for translation of mRNA (a) because it has the enzyme that forms peptide bonds between amino acids (b) because the ribosomal RNA contains the codon which determine the sequence of amino acids in a protein (c) because it contains the enzyme that links the amino acids and tRNA (d) because it has enzyme that removes introns from mRNA (e) all of the abovearrow_forward
- 3)Which of the following statements are true? Choose all that apply a)There are multiple codons possible for nearly all amino acids b)Each stop codon also codes for an amino acid c)Each tRNA will base pair with only one codon d)The start codon also codes for an amino acid e)Each codon in mRNA codes for exactly one amino acid f)Each codon in tRNA codes for exactly one amino acid g)Each anticodon in tRNA pairs with exactly one codon h)Each tRNA carries exactly one type of amino acidarrow_forwardWhat is the correct order of information flow in bacterial and eukaryotic cells? (a) DNA →mRNA →protein (b) protein → mRNA → DNA (c) DNA →protein→mRNA (d) protein →DNA → mRNA (e) mRNA → protein → DNAarrow_forwardAn mRNA has a sequence 3'-AAAUUACUCGAAAUUGCGUGUAGU5'. a) What would be the DNA, t-RNA and amino acid sequence of the above-mentioned mRNA sequence. (Do not forget to read the sequence from 5' to 3' direction while decoding the transcript) (5)arrow_forward
- What molecule/feature ensures that the correct amino acid is added to the peptide chain with reading of a specific codon during translation? O A) the properly assembled RNA polymerase holoenzyme B) the anticodon of a properly loaded aminoacyl TRNA C) the poly(A) tail of a properly modified MRNA D) the CCA sequence at the 3' end of the TRNA O E) the methyl-guanosine cap of a properly modified MRNAarrow_forwardDuring translation, ____________ is the step in which new t-RNA is attracted to the ribosome (a) the formation of the open promoter complex (b) codon recognition (c) peptide bond formation (d) translocation (e) none of the abovearrow_forwardTranscription allows (a) greater regulation of gene expression (b) amplification of gene expression (c) more than one protein to be produced by a gene (d) both a and b (e) all of the abovearrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license