The principal enzyme involved in DNA replication is called . The enzyme joins to synthesize a new strand of DNA. DNA replication is called because each new DNA molecule is made up of one original and one new strand.
 complementary
DNA polymerase
nucleotides
semiconservative

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.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin