Penicillin was isolated from ______ growing on a plate of agar.
A) a bacterium
B) a plant
C) an animal
D) a colony of mold
E) two rival colonies of mold
Correct Answer:
Verified
Q78: An important purpose of a cell wall
Q79: Phospholipids are
A) hydrophilic.
B) hydrophobic.
C) neutral.
D) partly hydrophilic
Q80: The hydrophilic head of a phospholipid is
Q81: Penicillin kills bacterial cells but not human
Q82: Penicillin weakens bacterial
A) cell walls.
B) cell membranes.
C)
Q84: Evidence in support of the endosymbiosis hypothesis
Q85: Bacterial cell walls are made rigid by
Q86: Peptidoglycan is made of
A) lipids.
B) sugars.
C) amino
Q87: All of the following are true of
Q88: What were Fleming's initial observations about organisms
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