Guest Patricia Simmons Posted March 19, 2005 Report Share Posted March 19, 2005 I am a new college student and my class is science. I am having a tough time with it this class. I've been out of school for some time now. I really could the hepl. Is ther anyone who can answer (2) questions for me or give some insight. Thanks 1. If muscle tissue was taken from the legs of a world class runner and a typical couch potato which would you expect to have a higher density os mitochondria? Why? What muscle biopsy taken from the biceps of a a weight lifter? 2. A scientist supsepts that the food in a nearby ecosystem may have been contaminated with radioactive nitrogen over a few months. Which substances in plants and animals could be examine for radioactivity to test his hypothesis? Quote Link to comment Share on other sites More sharing options...
C1ay Posted March 19, 2005 Report Share Posted March 19, 2005 I am a new college student and my class is science. I am having a tough time with it this class. I've been out of school for some time now. I really could the hepl. Is ther anyone who can answer (2) questions for me or give some insight. Thanks 1. If muscle tissue was taken from the legs of a world class runner and a typical couch potato which would you expect to have a higher density os mitochondria? Why? What muscle biopsy taken from the biceps of a a weight lifter? 2. A scientist supsepts that the food in a nearby ecosystem may have been contaminated with radioactive nitrogen over a few months. Which substances in plants and animals could be examine for radioactivity to test his hypothesis? An article on the subject of your first question is here. I think on your seciond question the answer would be amino acids since they contain nitrogen... Quote Link to comment Share on other sites More sharing options...
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