Biological macromolecules are important cellular components, they have a wide array of functions necessary for survival and growth of living organisms. There are four major classes of biological macromolecules
-carbohydrates
-lipids
-proteins
-nucleic acids.
The correct answer is metaphase 11. The chromosomes line up at the equator
The ability of an animal to maintain a stable internal environment is called homeostasis.
C.it changes DNA,but it is random
