You Want to Experiment with Microbial Growth in Various Nutrients

question 43

Multiple Choice

You want to experiment with microbial growth in various nutrients, so you inoculate a loopful of E. coli into a tube of honey. Which statement best describes what you expect to happen and why?

• A) E. coli does not grow because it has been dehydrated by the honey.
• B) E. coli will not grow because the excessive sugar is toxic.
• C) E. coli grows well in the honey because fructose is a good carbon source.
• D) E. coli do not grow because there is only sugar in the honey and no other nutrients.

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Definitions:

Hypothalamus

A region of the brain that controls an immense number of bodily functions including emotions, autonomic functions, and hormone production.

Hippocampus

A major component of the brain involved in memory formation and spatial navigation.

Amygdala

A section of the brain that is critical for emotion processing, fear responses, and memory.

Just-noticeable Difference

The smallest difference in stimulus intensity that can be detected by a sensory system.