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What is the best reason why people must be vaccinated once a year for influenza?
a. The vaccine is removed by the body after 12 monthsb. The virus binds to all of the vaccine after a few monthsc. The immune system only "remembers" vaccines for several monthsd. The amount of vaccine decreases in blood after one yeare. The vaccine is made ineffective by viral antigenic shifting
Consider this reaction from lactic acid fermentation, in the forward direction only: pyruvate + NADH + H+ ? lactic acid + NAD+ Answer and briefly explain.
Explain how the silent substitution rate (single base substitutions at sequence locations that do not affect the amino acid sequence) can be used to estimate the base mutation rate (µ).
Which of the following statements are true.
Assume you found your sibling's brother-in-law has had a sample submitted to the lab. This is a person you have never met, but that you know has been in trouble with the law.
Describe the significance of the CCR5 gene in rendering resistance to HIV infection in certain individuals. We discussed this in detail in class. Be sure to mention how this all relates to the infection cycle of HIV and how this trait may have bee..
Many proteins other than histones are found associated with chromosomes. What roles do these nonhistone proteins play? Why are there more different types of nonhistone than histone proteins?
Which of the following do NOT perform function in the nucleus? Transcription factor proteins, ribosome, RNA polymerase or DNA polymerase?
Perform a chi-square test of independence for linkage between genes A and B. What is ?2, the degrees of freedom, and the p-value?
In a donor population, the allele frequencies for the normal and the sickle-cell allele are 0.9 and 0.1 respectively. A group of 55 individuals migrates to population containing 10,000 individuals.
what are three parts Cell respiration has. Where in the cell is each found, the molecule(s) that enter each, the molecules at the end of each, and the number of ATPs harvested from each.
Consider the structure and function of each of these four biological macromolecules. How does the structure of each molecule affect its function?
Consider about what was discussed in the reading project in terms of media components and environmental factors, and develop hypotheses about.
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