| *substance such as penicillin or streptomycin that is toxic to microorganisms. Often a product of a particular microorganism or plant. | | *substance such as penicillin or streptomycin that is toxic to microorganisms. Often a product of a particular microorganism or plant. |
| * [[Alberts_Johnson_Lewis_Raff_Roberts_Walter_2008|Alberts, B., Johnson, A., Lewis, J. Raff, M., Roberts, K. & Walter P. 2008. Molecular Biology of the Cell, 5th ed. -xxxiv + 1616 pp. Garland Science, New York.]] | | * [[Alberts_Johnson_Lewis_Raff_Roberts_Walter_2008|Alberts, B., Johnson, A., Lewis, J. Raff, M., Roberts, K. & Walter P. 2008. Molecular Biology of the Cell, 5th ed. -xxxiv + 1616 pp. Garland Science, New York.]] |
| + | * [[Graham_Graham_Wilcox_2003|Graham, L. E., Graham, J. M. & Wilcox, L. W. 2003. Plant Biology. -xxxv + 497 pp. Pearson Education, Inc., Upper Saddle River.]] |