Manipulating or changing an organism’s DNA is called .

Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain