What is the role of DNA polymerase enzymes in replication? a.) splitting the DNA molecule
B.) adding the free nucleotides to the complementary strand of DNA
C) connecting the fragments on the lagging strand of DNA
D.) unzipping the double helix by breaking down the hydrogen bonds

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

Archaebacteria use for movement. celia flagella pili cell walls

The function of the excretory system is to control homeostasis and