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Exam (elaborations)
Test Bank For Biological Science, 2Nd Canadian Edition – Freeman
Duke University
BIOLOGY
Chapter 1 
1) Pasteur’s experiments proved that 
A) Cells cannot survive in swan necked flasks 
B) In order to grow, cells need to be supplied with oxygen 
C) Spontaneous generation can only occur if nutrient broth is left open to the environment 
D) Sterilizing nutrient broth prevents spontaneous generation 
E) Pre-existing cells present in the air can grow in sterilized nutrient broth 
Answer: E 
Bloom's Taxonomy: Knowledge/Comprehension 
2) Recall Pasteur's experiment on spontaneous gener...
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2022/2023
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A+
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