(chemistry) The sum of the atomic weights of every atom in a molecule.

an enzyme capable of removing specific genes from a sequence of DNA, especially to disable the replication of a virus

(chemistry) a number of techniques for studying molecules and their interaction; originally involved the building of physical models, but now uses computer simulation

(medicine, genetics) the branch of medicine that studies the manipulation of genes, and the subsequent effect on genetic diseases

(biology, biochemistry, genetics) a scientist who specializes in molecular biology

(biology, biochemistry) the branch of biology that studies the macromolecules of life, such as proteins, lipoproteins and nucleic acids

(chemistry) a material, usually a zeolite silicate mineral, having pores of a precise and uniform size, that can be used to separate molecules of different shape and size

(chemistry) the amount of a substance whose weight, in grams, is equal to its molecular weight

(chemistry, physics) a polar molecule; either permanent (in the absence of an applied field) or induced (produced by an applied field)

the use of scientific principles and practices in cooking and food preparation