1.   Although they differ widely in chemical makeup, the drugs all interfere with the way calcium flows into and out of human cells.

2.   Because of its chemical makeup, concrete is a major source of carbon dioxide releases.

3.   Because of its chemical makeup, the protein was sharply constrained in the possible ways it could fold.

4.   - Allowing the federal EPA to ease standards on the chemical makeup of gasoline sold in high pollution regions.

5.   Certain rich foods, as well as toys and knickknacks, can look like bombs because the detection machines measure the density of objects instead of chemical makeup.

6.   Different elements leave different dark bands on the spectrum, allowing the scientist to determine the chemical makeup of the object, no matter how far away it is.

7.   First, its chemical makeup speeds blood circulation through the body so it gets more oxygen to function at its peak.

8.   For example, needles exposed to sun differ in their chemical makeup from needles in shade.

9.   He also identified its chemical makeup and then looked into the mechanism by which the virulent poison works its harm unless promptly diagnosed and treated.

10.   Many medical students may believe that because they are educated about the chemical makeup and effects of drugs, they can use them more safely than others.