Q1. A person is suspected of having chronic renal failure. To assess kidney function, urea clearance is measured and found to be very low. Describe what a very low urea clearance indicates for this patient. evaluate that with the effect of chronic renal failure on the tendency for the blood […]

1. In an inherited condition called glycogen cardiomyopthy teenagers develop muscle weakness which affects heart as well as other muscles. Samples of the affected muscle cells contain huge lysosomes, swollen with the carbohydrate glycogen. How might this condition arise? 2. Why does a muscle cell conatin many mitochondrion while a […]

1.    Where is genetic material found in plant cells?   2.       Mitochondria are the only organelles that contain their own DNA (circular) and have a double membrane.  Why do you think this might be so?   Hint 1:  Where else do we see circular DNA?) Hint 2:  What do you know about the relative age […]

Use Internet to access your state department of agriculture or fish and game department to find an example of one exotic species (plant or animal) that has been introduced into your area that is having negative effects on the native plants and animals. Often these will be listed under the […]