Answer:
A
Explanation:
Because there are two DNA strands in the DNA molecule and they both rotate around each other in a helix formation. So two helixes = double helix.
Answer:
DNA/ Traits
Explanation:
they trace species origins back and find common point and every time they do, they connect them on the line, creating something that looks like "branches" google "cladogram"
First the cytoplasm then the mitochondria <span />
Answer:
A solid that forms from solution during a chemical reaction is called a precipitate.
Explanation:
Hope this helps!
Answer:
D. layer 8 it occurs in the core of the sun