Carbohydrates are sugars or starches and the sugar gives you energy and lipids are fats and you get most of your energy from this.
<span>B is the correct answer. The beginning of DNA replication occurs with the unwinding of the DNA helix by a special enzyme. The two strands that form the helix then create a replication fork. The two strands are then oriented differently, one becoming the 'leading strand' and one the 'lagging strand'. </span>
<span>All of their skulls were fairly long with sharp teeth.</span>
