Word: amino
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Harvard Medical School Professor Jon Clardy teamed with researchers in the department of biological chemistry and molecular pharmacology to pinpoint the amino acid proline—a component of hemolymph, or insect blood—as the trigger for the transformation of roundworm bacteria from dormant to virulent, eliciting comparisons of the bacteria to Dr. Jekyll and Mr. Hyde...
...long term goal is to reconstruct the protein mutation by mutation and see if all of the amino acid changes are really necessary,” Hoekstra said...
...becoming the leading additive in diet colas. In 1995 and 1996, misinformation about aspartame that linked the chemical to everything from multiple sclerosis to Gulf War syndrome was widely disseminated on the Internet. While aspartame does adversely effect some people - including those who are unable to metabolize the amino acid phenylalanine - it has been tested more than 200 times, and each test has confirmed that your Diet Coke is safe to drink. Nor have any health risks been detected in more than 100 clinical tests of sucralose, a chemically altered sugar molecule found in food, drinks, chewing gum and Splenda...
...LS1a professors approach the course material from a deeply conceptual standpoint, so memorizing your amino acids is essential but not nearly enough to stay afloat when exams roll around. Lecture slides and the professors’ accompanying commentary capture the crux of the material, while the suggested textbooks are useful only for reference. Work through problem sets with classmates (trust us, you are NOT too smart for study groups) and make use of the help sessions hosted by former LS1a students. Ask your TF (teaching fellow) for help, and don’t be afraid to approach the professors...
...Tamiflu, which has been shown to reduce the severity of the disease caused by many flu viruses. Tamiflu works by inhibiting the neuraminidase enzyme (that's the N in H1N1) and preventing it from doing its job of helping the virus replicate once inside a human cell. But certain amino-acid changes in the neuraminidase can render Tamiflu ineffective. This usually happens over time following extensive prescribing of the drug, but it can also occur spontaneously. In the winter of 2007-'08, a seasonal H1N1 variant circulating in Europe did just that, catching scientists by surprise. "We really didn...