Which causes the ph of a solution to increase a. adding hydrogen ions b. adding protons c. adding base d. adding acid

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what