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For each of the mutations below, which mutation is more likely to disrupt the structure of a protein (that is, make a mutant protein that is less stable than the nonmutant protein)? In each case, explain your reasoning.
A. A mutation which changes a Lys (nonmutant protein, called the "wild type" protein ) to a Gln (mutant protein) or one which changes a Leu (wild type protein) to a Gln (mutant protein).
B. A mutation which changes a Phe (wild type protein) to a Gly (mutant protein) or one which changes a Phe (wild type protein) to a Leu (mutant protein).
C. A mutation which changes a Pro (wild type protein) to a Gly (mutant protein) or one which changes a Gly (wild type protein) to a Pro (mutant protein).
Food resources are rarely shared uniformly in the environment. Most vary seasonally or have a patchy distribution and can become locally depleted.
Why is it significant for clinical laboratory personnel to follow proper methods of sterilization and specimen control.
Create a pure-breeding double-mutant apricot, blunt line and cross it with wild-type wasps. The F 1 is wild-type in appearance.
If wind blows at 35 m/s^2 over the house, what is net force on the roof if its area is 240 square meters and the roof is flat? Show all work, with equation and substitution units.
How many pairs of genes regulating tail length character. Adding of H+ or OH- to a reaction increased its overall rate indicating the rate limiting step was the addition of H+ or OH- to the intermediate. Is this really true? Why or why not.
Recent evidence shows that the individual chromosomes occupy fairly defined territories within the nucleus. Given the structure and location of parts of the nucleus, which would be more probably involved in chromosome location.
Read over the description of the Human Inherited Traits in the Week 6 Experiment instructions in our course and complete the table given below.
Diploid nuclei of the ascomycete, Neurospora crassa, contain 14 chromosomes. A single diploid cell in an ascus will undergo one round of meiosis, followed in each of daughter cells by one round of mitosis, producing a total of eight ascospores.
Which of the following statements is true? The first cervical vertebra is called the axis.The spinal cord protects the vertebral column.
Biology Quiz: Using information at the CDC Influenza website, What is the most prevalent strain of influenza that is circulating in the 2012-13 flu season (Select one)?
Based on the Nernst equation, the equilibrium potential for any ion distributed across a membrane is dependent on the internal and external concentrations of the ion,
Using the data given in table below draw a Lineweaver-Burk plot.
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