nucleotides, monomers of nucleic acids, double helix, structure of DNA, amino acids, monomers of proteins, keratin, fibrous structural protein of hair, nails, horn, etc., ribonucleic acid, a long, single-stranded chain of cells that processes protein

Introduction

Rangliste

Visuel stil

Indstillinger

Skift skabelon

Gendan automatisk gemt: ?