A 26 years old patient initially presented with a history of fatigability dating back to early childhood. Even very mild exercise resulted in a rapid exhaustion. After 4 minutes on a bicycle ergometer, the patient’s blood lactate concentration rose from 0.8mM to 10mM;it dropped slowly after the end of the […]

In 2004, 45% of the corn, 85% of the soybeans, and 76% of the cotton grown in the United States was from genetically modified (GM) seeds. According to The New York Times, most Americans have probably eaten some food derived from GM corn or soy. However, there has been strong […]

Q1. What chemical do secondary cells walls contain that is not found in primary walls and how does it affect strength and digestibility of the secondary walls? Q2. Terry suffers from dissociation of memories from their emotional content as the result of an automobile accident. What system of the brain […]

1. How would you design a cell membrane that would allow you to move more material through the membrane faster without taking more space? 2. Desmosomes, gap junctions, and tight junctions connect cells to one another. What examples can you find in your external environment of analogous structures that fit […]