Which field of biology studies the structures of different species of animals

Why do carbohydrate molecules function so well as fuel for the body?

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.