Illustration of Biology and medical, DNA is composed of two chains of repeating nucleotides, Components of DNA, DNA are key macromolecules for the continuity of life
Nerve cell is an electrically excitable cell, action potentials across a neural network, Nervous system, Human nerve cell
Illustration of biology, DNA structure consists of two strands of nucleotides that are held together by hydrogen bonds, four nitrogenous bases: adenine , thymine, guanine, cytosine
Hand drawn doodle DNA test icons set. Vector illustration. Medical lab symbol collection. Cartoon nano technology, medicine, genome elements: research tools, substance, molecules, nitrogenous bases