Answer:
Chromosomes are composed of DNA tightly-wound around histones.
Explanation:
Answer:
The calories in food come from carbohydrates, proteins, and fats. A gram of carbohydrate contains 4 calories. A gram of protein also contains 4 calories. A gram of fat, though, contains 9 calories — more than twice the amount of the other two.
Explanation:
The play between a serve and a point
Answer:
The study of the development, structure, and functioning of human society.
The study of social problems. The science of society. It explores the influences and consequences of social behavior.
Explanation:
A refrigerator, or a plastic container.
