regulon

noun 0.661

operad

noun 0.588

oper

noun 0.587

operant

noun 0.580

opsin

noun 0.576

operative

noun 0.548

opera

noun 0.544

repressor

noun 0.544

oncogene

noun 0.542

codon

noun 0.541

protooncogene

noun 0.540

cistron

noun 0.536

operation

noun 0.534

organelle

noun 0.533

operetta

noun 0.531

operand

noun 0.530

gene family

noun 0.522

gene product

noun 0.522

ops

noun 0.519

homeobox

noun 0.518

operculate

noun 0.517

oligonucleotide

noun 0.516

oncoprotein

noun 0.515

multigene

noun 0.514

operating system

noun 0.514

polysome

noun 0.514

episome

noun 0.513

multienzyme

noun 0.511

exon

noun 0.510

open reading frame

noun 0.508

genome

noun 0.507

omer

noun 0.505

machine operator

noun 0.501

unit operation

noun 0.501

genogroup

noun 0.500