Answer:
How the landscape changed over time
Explanation:
Homozygous dominant would be C. DD
it depends on what organism it is
"They contain at least one double or triple bond" is true of saturated fatty acid chains. This extra bond is why they are called "saturated", because they had less ability to take on other bonds.
C) Provide insulation.
Enzymes are catalyst, meaning that the speed up and help during chemical reaction which in turn means that they do prodvide energy to the cell, they do assist in the production of new cell parts and they also control many cell processes.
They do not provide insulation to cells, and that is the function of lipids.
Hope it helped,
BioTeacher101