The cellular process of creating two new dna molecules from one original copy is called replication. which statement is the best description of this process?
a: dna opens up and rna copies it.
b: dna opens up and completely unwinds to make two new molecules.
c: dna opens up and each strand is used as a template for a new strand.
d: is crossed of

As a small change in a person's dna can cause a genetic disorder

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.

How does an angiosperm prevent self pollination