You Are Culturing a New Bacterium in the Laboratory

question 32

Multiple Choice

You are culturing a new bacterium in the laboratory. You cannot find any glucose it the lab when you are making growth medium, so you decide to use honey instead. You add twice as much honey than is called for in the medium recipe, because you want to give the organism the best opportunity or growth. To your surprise, the organism does not grow on your modified medium. Select the most likely explanation.

• A) The growth medium became hypotonic with the addition of so much honey; the bacteria underwent plasmolysis and died.
• B) The growth medium became hypertonic with the addition of so much honey; the bacteria underwent plasmolysis and died.
• C) The growth medium became halophilic with the addition of so much honey; the bacteria underwent plasmolysis and died.
• D) The growth medium became hypertonic with the addition of so much honey; the bacteria underwent osmotic lysis and died.
• E) The growth medium became hypotonic with the addition of so much honey; the bacteria underwent simple diffusion and burst.

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Definitions:

Predatory Attacks

These are aggressive behaviors exhibited by predators towards their prey to catch, kill, or consume them.

Aggression

Behaviors or actions intended to harm or intimidate others, which can be physical, verbal, or psychological.

Predation

Predation is an interaction between species in which one organism, the predator, hunts and consumes another organism, the prey.

Dominance Hierarchies

The organization of individuals within a group into a ranking system, where positions determine access to resources and mating opportunities, often observed in animal social structures.