Stem cells are undifferentiated cells that could develop to perform a variety of tasks. One type of stem cell is the embrionic stem cell. There are also adult stem cells. To use embrionic stem cell you need to have fertilized embrios. These can be donated to research. The use of the embrionic stem cells is controversial for this reason.
Well lets see Hydro means water so we can scratch out eagle litho is like the crust of the crust of the earth so no shark ducks are involved with water but cant get to the crust so lizard they can go on water and to the crust so lizard
The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
d<span>-glucose and </span>l<span>-glucose are stereoisomers, extraction of </span>d<span>-glucose</span>
It's A. Temperature changes modify the enzyme shape, so they no longer fits.
