Certain patients have a genetic disorder affecting a protein that provides support to the mitochondria of all the cells in the body. Yet the patients die of heart attacks. One explanation for why the heart, in particular is targeted might be; a. The loss of mitochondrial function in other tissues […]

Options 1: Crime Scene Forensics In recent years, law enforcement has been revolutionized by molecular biology. When human tissues are left behind at crime scenes, these tissues can be collected and processed to yield samples of DNA, which can then be treated to isolate specific DNA fragments that are highly […]

Birds 1. What are the major morphological features of birds? 2. In which habitat do birds live? 3. What are flight adaptations present by birds? 4. What are pneumatic bones? 5. How is the respiratory system of birds characterized? 6. How is the circulatory system of birds characterized? 7. Which […]

An Hfr strain (arg+, bio+, leu+) is mated to an F- strain (arg-, bio-, leu-). Assume that this Hfr strain transfers arg+ last. You grow the exconjugants on arg- media, supplemented with leu+ and bio+. You recover 423 arg+ exconjugants. These are tested individually for bio and leu and you […]