In the DNA leveled reader, fundamental science concepts in chemistry are explained through simply written text and colorful, fun illustrations.
Children will learn that DNA stands for deoxyribonucleic acid, which is a polymer made of two long strands wrapped around each other in a double helix shape.
A polymer is a long chain of atoms and molecules linked together.
DNA is found inside the cells of living things and contains four base.
67.99 Lei
