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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Chapter 14, Problem 4TYU
Summary Introduction
Introduction: Genes are sets of
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Order+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.
List possible codon sequences for the following amino acids.(a) Val (b) Phe (c) Asn (d) Gly (e) Met
Suppose that a DNA segment has the following nucleotide sequence: CTC ATA CGA TTC AAG TTA. Which of the following nucleotide sequences would be found in a complementary mRNA strand? (a) GAG UAU GAU AAC UUG AAU. (b) GAG TAT GCT AAG TTC AAT. (c) GAG UAU GCU AAG UUC AAU. (d) GUG UAU GGA UUG AAC GGU.
Chapter 14 Solutions
Biology (MindTap Course List)
Ch. 14.1 - Explain why bacterial and eukaryotic cells have...Ch. 14.1 - Prob. 1CCh. 14.1 - Prob. 2CCh. 14.2 - Prob. 2LOCh. 14.2 - Distinguish among inducible, repressible, and...Ch. 14.2 - Differentiate between positive and negative...Ch. 14.2 - Prob. 5LOCh. 14.2 - Prob. 1CCh. 14.2 - What structural features does the trp operon share...Ch. 14.2 - Prob. 3C
Ch. 14.2 - Prob. 4CCh. 14.3 - Prob. 6LOCh. 14.3 - Give examples of some of the ways eukaryotic...Ch. 14.3 - Prob. 8LOCh. 14.3 - Prob. 9LOCh. 14.3 - Prob. 10LOCh. 14.3 - Prob. 1CCh. 14.3 - Prob. 2CCh. 14.3 - Prob. 3CCh. 14.3 - Prob. 4CCh. 14.3 - Prob. 5CCh. 14 - The regulation of most bacterial genes occurs at...Ch. 14 - Prob. 2TYUCh. 14 - Prob. 3TYUCh. 14 - Prob. 4TYUCh. 14 - Inactive genes tend to be found in (a) highly...Ch. 14 - Prob. 6TYUCh. 14 - Which of the following is characteristic of genes...Ch. 14 - Through alternative splicing, eukaryotes (a)...Ch. 14 - A mutation that inactivates the repressor gene of...Ch. 14 - Which of the following is an example of positive...Ch. 14 - Prob. 11TYUCh. 14 - PREDICT Compare the types of bacterial genes...Ch. 14 - INTERPRET DATA Develop a simple hypothesis that...Ch. 14 - Prob. 14TYUCh. 14 - Prob. 15TYUCh. 14 - EVOLUTION LINK Suggest why evolution resulted in...Ch. 14 - Prob. 17TYU
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- Consider the following in light of the concept of levels of structure (primary, secondary, tertiary, quaternary)as defined for proteins.(a) What level is shown by double-stranded DNA?(b) What level is shown by tRNA?(c) What level is shown by mRNA?arrow_forward(a) How many activation cycles are needed for a protein with 150 amino acids? (b) How many initiation cycles are needed for a protein with 150 amino acids? (c) How many elongation cycles are needed for a protein with 150 amino acids? (d) How many termination cycles are needed for a protein with 150 amino acids?arrow_forwardHow does the cell ensure that a specific amino acid (say, valine) attaches itself only to the one tRNA molecule that is specific for valine? (A) Proteins called aminoacyl DNA synthetases are responsible for bringing together the proper pair. The enzymes match the amino acid and one of the correct DNA molecules carrying the right anticodon. (B) Lipids called aminoacyl tRNA synthetases are responsible for bringing together the proper pair. The lipid binds the amino acid and one of the correct tRNA molecules carrying the right codon. (C) Enzymes called aminoacyl tRNA synthetases are responsible for bringing together the proper pair. The enzymes match the amino acid and one of the correct tRNA molecules carrying the right anticodon. (D) Enzymes called peptidyl mRNA synthetases are responsible for bringing together the proper pair. The enzymes match the amino acid and one of the correct mRNA molecules carrying the right anticodon.arrow_forward
- . Suppose that a gene underwent a mutation that changed a GAA codon to UAA. (a) Name the amino acid encoded by the original triplet. (b) Identify a tRNA anticodon that could translate the nonsense UAA triplet. (c) What other amino acid could be encoded by the mutant tRNA?arrow_forwardDuring transcription, how many RNA nucleotide bases would usually be encoded by a sequence of 99 DNA nucleotide bases? (a) 297 (b) 99 (c) 33 (d) 11 (e) answer is impossible to determine with the information givenarrow_forward(61) A 61-year old woman comes to the physician because of scarring acne vulgaris that has not been responsive to topical medication. Oral tetracycline is prescribed . Which of the following best explains the mechanism of action of this drug? (A) Blockage of DNA gyrase (B) Destruction of active transport membrane transport (C) Inhibition of aminoacyl-RNA binding to bacterial ribosomes (D) Interference with the action of peptidyl transferase (E) Interferance with translocation reactionarrow_forward
- Consider a template strand of DNA with the following sequence: 3 '–CAA TGT ATT TTT GCT–5 '. (a) What is the informational strand of DNA that corresponds to this template? (b) What mRNA is prepared from this template? (c) What polypeptide is prepared from the mRNA?arrow_forward(a) Draw the structure of the high-energy nucleoside triphosphate GTP. (b) Draw the structure of the hydrolysis product formed when one phosphate is removed.arrow_forwardWhich amino acid sequence will be generated during translation from the following small mRNA: …CCC-AUG-UCU- UCG-UUA-UGA-UUG…? (Hint: Remember where translation starts and stops.) (a) Met-Glu-Arg-Arg-Glu-Leu (b) Met-Ser-Ser-Leu-Leu (c) Pro-Met-Ser-Ser-Leu-Leu (d) Pro-Met-Ser-Ser-Leu (e) Met-Ser-Ser-Leuarrow_forward
- Nonearrow_forward(A) Give the polypeptide translation of the RNA sequence below. 5’-AUGGAAAUCAAAGUCAACCUUGAGUUUAGA-3’ (B) Write the chemical structure of the polypeptide sequence you determined in part (a) (C) Given the chemical structure of the polypeptide sequence you have written in part (b), answer True or False for each of the 5 statements below. (1) At least one of the amino acids in the sequence can undergo phosphorylation (2) The sequence looks like it could form a β turn (3) The sequence looks like it could form a β strand with one surface facing the interior of the protein and the other surface exposed to water (4) At least one of the amino acids in the polypeptide sequence can undergo oxidation to form a disulfide bridge to another polypeptide (5) The sequence looks like it could form an α helix that would be part of a coiled coil structure within a proteinarrow_forward(b) Hemoglobin is made of B-globin subunits. The first few mRNA nucleotides for B- globin are given by: (1) (iii) (iv) Write down the DNA sequence that has led to this mRNA and indicate the sense and non-sense strands and the polarity. CE Derive the polypeptide for the sequence using the table of the genetic code (Table Q1 below) and indicate the polarity of the polypeptide chain. First Position (5' end) U A single point mutation in mRNA sequence can cause sickle cell anemia by changing the amino acid Glu to Val. For the given mRNA, indicate the point mutations for the first Glu in the polypeptide sequence that can cause this disease. 5'-AUGGUCCACCUGACUCCUGAGGAGAAG...UGA-3' C The polypeptide of B-globin contains the amino acid Leu. Write down all the anticodons of the tRNA molecules that can potentially code for Val. Indicate the polarity of the anti-codon. A G Table 1. The Codons of the Genetic Code Second Position U Phe Phe Leu Leu Leu Leu Leu Leu Ile Ile Ile Met-Start Val Val Val…arrow_forward
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY