1. The correct answer is A. Carbohydrates and fats are used for energy. For example, glucose, a monosaccharide carb, is used in cellular respiration to make energy.
2. It is not a carb or lipid as there is a Nitrogen. Your answer is Protein because it's showing an amino acid, the monomer of all proteins. There is an amine group, a carboxyl group, and R-Group. Therefore, it has to be C.
Hi...
The answer is
C. niether a reactant nor a product
I don’t know what you’re asking sir.
The answer to 15 is no because the jaws box skips pass the hagfish
Vestigial structures are inherited from ancestors, but have lost much or all of their original function due to different selection pressures acting on the descendant. The hipbones of bottlenose dolphins are vestigial structures. However, as the dolphin lineage adapted to life at sea, this function was lost.