CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
Publisher: PEARSON
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Chapter 3.5, Problem 1CC
Why does a denatured protein no longer function normally?
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A monomeric protein contains 154 amino acids. How many codons code for these amino acids? How many nucleotides?
Identify a disease or condition related to protein mis-folding. Which protein is misfolded? Is this a genetically inherited condition or is it transmissible?
Q)
a) A protein gains a mutation of a surface exposed residue. The mutation is Arg --> Leu. Based on the sequence of the protein when it folds the Leu remains on the surface of the protein. What is the change in chemical characteristic of the amino acid caused by this mutation?
b) Briefly explain any entropic consequences of this mutation. (2 sentences MAX)
c) What might happen in order to overcome these entropic consequences and how would that affect the cell? (1-2 sentences)
Chapter 3 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
Ch. 3.1 - How are gasoline and fat chemically similar?Ch. 3.1 - Which molecules in Figure 3.4a re isomers? For...Ch. 3.1 - Prob. 3CCCh. 3.1 - Prob. 4CCCh. 3.2 - How many molecules of water are needed to...Ch. 3.2 - WHAT IF? Suppose you eat a serving of fish. What...Ch. 3.3 - Write the formula for a monosaccharide that has...Ch. 3.3 - A dehydration reaction joins two glucose molecules...Ch. 3.3 - WHAT IF? After a cow is given antibiotics to treat...Ch. 3.4 - Compare the structure of a fat (triglyceride) with...
Ch. 3.4 - Why are human sex hormones considered lipids?Ch. 3.4 - Prob. 3CCCh. 3.5 - Why does a denatured protein no longer function...Ch. 3.5 - What parts of a polypeptide participate in the...Ch. 3.5 - WHAT IF? Where would you expect a polypeptide...Ch. 3.6 - DRAW IT Go to Figure 3.27a and, for the top three...Ch. 3.6 - Prob. 2CCCh. 3.7 - How would sequencing the entire genome of an...Ch. 3.7 - Given the function of DNA, why would you expect...Ch. 3 - Which functional group is not present in this...Ch. 3 - MAKE CONNECTIONS Which chemical group is most...Ch. 3 - Prob. 3TYUCh. 3 - Which of the following statements concerning...Ch. 3 - Prob. 5TYUCh. 3 - The structural level of a protein least a fleeted...Ch. 3 - Enzymes that break down DNA catalyze the...Ch. 3 - Prob. 8TYUCh. 3 - The molecular formula for glucose is C6H12O6. What...Ch. 3 - Construct a table that organizes the following...Ch. 3 - Prob. 11TYUCh. 3 - Prob. 12TYUCh. 3 - FOCUS ON ORGANIZATION Proteins, which have diverse...Ch. 3 - Prob. 14TYUCh. 3 - SYNTHESIZE YOUR KNOWLEDGE Given that the function...
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- Describe the following levels of protein organization and give an example of each: A.) Primary B.) Secondary C.) Tertiary D.) Quarternaryarrow_forwardWhat are the two main steps to protein synthesis and where do they take place? What are the different types of RNA used and what are their roles? How important is nucleotide order to the process?arrow_forwardThe activity provides you with a version of the NGF pathway, an example of a RTK. All of the proteins involved can be in ON/OFF states. Using this cell signaling pathway you will be asked a variety of questions to determine how the molecules are regulated, but also how a cell would respond if this cell signaling party steps were interrupted or activated. Neural Growth Factir (NGF) Ras- Ras- GDP GTP Trk-A Ras-GEF braf braf МЕК МЕК ERK ERK ERK ERK STAT STAT Spiouty DNA Nucleus Cytosolarrow_forward
- Describe how a carrier protein functions. What role do carrier proteins serve in the cell? Why are they necessary? Where might you find a carrier protein?arrow_forwardWhich proteins help other polypeptides to fold into the right shape?arrow_forwarda) (i) Give THREE (3) amino acids that most likely can be located in the part of the trans- membrane protein that lies within the cell membrane. Explain why. (ii)Give THREE (3) amino acids that most likely can be located in the part of the transmembrane protein that lies outside the cell membrane. Explain why.arrow_forward
- A mutation leads to a change in one amino acid in a protein. The result is that the protein no longer functions properly. How is this possible?arrow_forwardWhy would the amount of protein E bound to immobilized heparin fall in the presence of soluble heparin?arrow_forwardWhat four components are required for the translocation of proteins across the endoplasmic reticulum membrane?arrow_forward
- Which of the following might cause the denaturation of a protein? Select all that apply. A.)Highly acidic conditions B.)Highly basic conditions C.)High concentrations of salt D.)High heatarrow_forwardIn Cystic Fibrosis, what are the normal and mutated protein function?arrow_forward(a) In what important ways do the α helix and β sheet structures differ? (b) How are they similar?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