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Unintentional Injuries Reproduction Pathophysiology_Endocrine Cell Vocabulary Respiration in Organisms Skin Growth Molecular Basis of Inheritance Children Well-being Biology Assessment Ortho Infectious Disease Acute Responses to Exercise Nucleic Acids Philosophy Renal System - Pharmacology OxygenationOther quiz:
Cell › ViewWho discovered the nucleus of the cell?
A. Robert Hooke
B. Robert Brown
C. Leeuwenhoek
D. Purkinje
Bacteriology › View
Which of the following is absent in gram negative bacteria?
A. Lipid A
B. Lipoteichoic acid
C. Lipopolysaccharides
D. Porins