Compare the feeding method with the direct injection method in the RNAi experiment? (4%)
One advantage and one disadvantage for each kind of method.Describe the countercurrent mechanisms that maximize function. Make sure to include (among other things) what is being transported, where this is occurring in the body, whether or not this exchange requires special transport proteins, and whether or not this mechanism requires energy.
a. Thermoregulation in mammal
b. Blood oxygenation in gills
c. Formation of concentrated urine in nephrons