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New
General
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Business
Biology
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Science
Cold Blooded Animals vs. Warm Blooded Animals
Electron Microscope vs. Light Microscope
Genomic Library vs. cDNA Library
Sociopath vs. Psychopath
Strong Electrolyte vs. Weak Electrolytes
Transpiration vs. Evaporation
Photosynthesis vs. Chemosynthesis
Euchromatin vs. Heterochromatin
Science vs. Technology
Benign Tumor vs. Malignant Tumor
Blood vs. Lymph
Polyps vs. Medusae
Virus vs. Viroid
Mineral vs. Ore
Male Urethra vs. Female Urethra
Algae vs. Fungi
Grazing Food Chain vs. Detritus Food Chain
Messenger RNA vs. Transfer RNA
Xylem vs. Phloem
Enveloped Virus vs. Non Enveloped Virus
Sensory Neurons vs. Motor Neurons
Polarized Light vs. Unpolarized Light
Bi-Sexual vs. Pan Sexual
Spermatogenesis vs. Spermiogenesis
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