If a normal cell divides, you can assume that
a. its surface area has become larger than its volume.
b. its volume has become larger than its surface area.
c. it has grown to its full size.
d. it has grown too large to meet its needs.

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

How dose plate tectonics effect climate

Cells control gene expression at which steps