What function do most of the stem cells in adults serve? A. Differentiating into any type of cell
B. Repairing damaged DNA
C. Replacing damaged tissue
D. Growing new organs

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

What did hunter gathers do to alter the environment?

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.