Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Question
Chapter 17, Problem 13TYU
Summary Introduction
To explain: The pattern of Siamese cat’s fur pigmentation due to ‘temperature-sensitive’ mutation in the gene encoding dark fur pigment.
Concept introduction:
Siamese cats have unique fur pigmentation pattern known as ‘colorpoints’. The pattern includes dark ears, face, legs, and tail, while a creamy white shade is seen on the back and belly. They are partial albinos. This is caused due to a ‘temperature-sensitive’ mutation in the gene encoding tyrosinase enzyme required for the melanin production. It does not work at normal body temperatures.
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Which of the following are possible reasons that a cell would regulate its expression of a gene? (Select all that apply.) (a) an increased need for a particular enzyme (b) a decreased need for a particular enzyme (c) increasing temperature in the external environment (d) changing needs as an organism ages (e) death
You suspect a protein that is being expressed has been affected by a mutation. When you examine the fully functional protein you find curiously that it still has retained all of its overall function. A friend of yours doing research with you assures you when examining the genetic data a new mutation does in fact exist in this protein. What is the most likely type of mutation that occurred based on this information?
Group of answer choices
frameshift mutation
silent mutation
nonsense mutation
You are studying a mutation in mice, which acts dominantly. Mice that have only one copy of the allele carrying this mutation have a kinky tail phenotype. You identify the gene that the mutation affects and find that the codon that encodes the second amino acid in the predicted protein has been mutated to a stop codon. Would you characterize this mutation as a loss-of-function or a gain-of-function and what specific subtype (hypermorphic, antimorphic, etc. ) within these categories? Explain your reasoning.”
Chapter 17 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
Ch. 17.1 - Prob. 1CCCh. 17.1 - What polypeptide product would you expect from a...Ch. 17.1 - Prob. 3CCCh. 17.1 - Prob. 4CCCh. 17.2 - MAKE CONNECTIONS In a research artide about...Ch. 17.2 - What enables RNA polymerase to start transcribing...Ch. 17.2 - Prob. 3CCCh. 17.3 - Prob. 1CCCh. 17.3 - How is RNA splicing similar to how you would watch...Ch. 17.3 - Prob. 3CC
Ch. 17.4 - What two processes ensure that the correct amino...Ch. 17.4 - Prob. 2CCCh. 17.4 - Prob. 3CCCh. 17.4 - Prob. 4CCCh. 17.4 - WH AT IF? In eukaryotic cells, mRNAs have been...Ch. 17.5 - What happens when one nucleotide pair is lost from...Ch. 17.5 - MAKE CONNECTIONS Individuals heterozygous for the...Ch. 17.5 - WHAT IF? DRAW IT The template strand of a gene...Ch. 17 - Describe the process of gene expression, by which...Ch. 17 - What are the similarities and differences in the...Ch. 17 - What function do the 5' cap and the poly-A tail...Ch. 17 - Prob. 17.4CRCh. 17 - What will be the results of chemically modifying...Ch. 17 - In eukaryotic cells, transcription cannot begin...Ch. 17 - Which of the following is not true of a codon? (A)...Ch. 17 - The anticodon of a particular tRNA molecule is (A)...Ch. 17 - Which of the following is not true of RNA...Ch. 17 - Which component is not directly involved in...Ch. 17 - Using Figure 17.6, identify a 5' 3' sequence of...Ch. 17 - Prob. 7TYUCh. 17 - Would the coupling of the processes shown in...Ch. 17 - Prob. 9TYUCh. 17 - Prob. 10TYUCh. 17 - Prob. 11TYUCh. 17 - Prob. 12TYUCh. 17 - Prob. 13TYU
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