The dna molecule is described as a double helix. describe the meaning of this expression and the general structure of a dna molecule.

Monitor and apply fix up stratorgies

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.