Answer; 
-Carbohydrates 
Sugar is a component of carbohydrates. 
Step-by-step explanation; 
-Carbohydrates are among the four important biomolecules, others being nucleic acids, proteins and lipids. 
-Sugars are simple carbohydrates including fructose, glucose, and lactose, which are found in nutritious whole fruits. 
-Carbohydrates take the form of either sugars or starches (complex carbohydrates); however, a starch is simply a long chain of sugar molecules strung together, therefore, they both end up as the same thing once they enter your blood stream.