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Posted: **Tue Jul 12, 2022 1:21 pm**

: D Question 22 Brownian Motion Is Caused By O Directed Movement Towards Chemical Stimuli O Bombarding Molecules O Pressur 1 (37.7 KiB) Viewed 45 times

: D Question 22 Brownian Motion Is Caused By O Directed Movement Towards Chemical Stimuli O Bombarding Molecules O Pressur 2 (20.29 KiB) Viewed 45 times

D Question 22 Brownian motion is caused by O Directed movement towards chemical stimuli O Bombarding molecules O Pressure on the cover slip Water currents Too much coffee Question 23 The presumptive test checks for? lactose fermenting bacteria that produce gas gas producing bacteria that are gram-negative determine if the bacteria from our isolate are coliforms O gas producing bacteria that are gram-positive O test for the presence of Escherichia coli in our isolate 2.5 pts 2.5 pts

Question 24 Why might a bacterial culture give Gram-variable results? The culture is too old The culture is a Bacillus species. The smear is too thick It was over decolorized O All of the above 2.5 pts