In DNA replication . A. The two strands of DNA come apart.
B. A copy is made.
C. Each copy has one strand of "old" DNA and one strand of "new" DNA.
D. all of the above

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this