In this exercise, how should bacterial colonies on your plate that are not S. marcescenes be recorded on the data sheet?
A) (+)
B) (-)
A) (+)
Feedback: Bacterial colonies that are not S. marcescens do not represent the epidemic and are contaminants recorded as (-).
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If an athlete is burning glucose only, what is the ratio of oxygen consumed to carbon dioxide that will be produced?
C6H12O6 + 6O2 ? 6CO2 + 6H2O A. 1:1 B. 1:6 C. 2:1 D. 1:2 E. 6:1
Viruses ________.
A. cannot be seen in a light microscope B. undergo binary fission C. contain 70S ribosomes D. are prokaryotic
Tetrahymena is a
A) fungus. B) protozoa. C) green alga. D) weed. E) bacteria.
Figure 11.5
This illustration shows _________________.
A. cytoplasmic division in a plant cell B. cytokinesis via a contractile ring mechanism C. how chromosomes are dragged to the poles D. chromosome condensation E. an animal cell in interphase