Subject
cell
3
cell biology
3
cell structure
2
cytogenetics
2
cytology
2
DNA (deoxyribonucleic acid)
1
biological membrane
1
biosynthesis
1
cancer
1
gene expression
1
immune system
1
ion channel
1
macromolecule
1
molecular biology
1
molecular genetics
1
molecule
1
nucleic acid
1
protein
1
signal transduction
1