Waarom is die antibiotikum, Penisillien, is nie baie effektief teen Gram negatiewe bakterieë nie? / Why is the antibiotic, Penicillin, is not very effective against Gram negative bacteria?
Wat die bron van energie en koolstof betref, was die eerste lewende selle waarskynlik: / With regards to the source of energy and carbon, the first living cells were likely:
Watter van die volgende eienskappe word nie deur alle lewende selle gedeel nie? / Which of the following characteristics is not shared by all living cells?
Watter van die volgende kom voor in beide pro- en eukariotiese selle? / Which of the following is found in both pro- and eukaryotic cells?
Watter van die volgende stellings oor organismes wat aan die domein Archaea behoort is verkeerd? / Which of the following statements about organisms belonging to the domain Archaea is incorrect?
Watter stelling met betrekking tot prokariotiese flagella en pili is verkeerd? / Which statement regarding prokaryotic flagella and pili is incorrect?
Die stigter/s van die selteorie: alle lewende organismes bestaan uit selle, die basiese strukturele en organisatoriese eenhede van alle lewende organismes / The founder/s of cell theory: all living organisms are made up of cells, the basic structural and organizational units of all organisms.