Mary is twenty-two weeks pregnant, and her fetus has an x and a y chromosome. mary is having a a0.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Crossing over is a method of (blank)?

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.