If You Allowed 10 Identical Parallel Salmonella Cultures to Evolve

question 6

Multiple Choice

If you allowed 10 identical parallel Salmonella cultures to evolve for 10,000 generations under new growth conditions with very little nitrogen, the parallel cultures would

• A) evolve identical adaptations to use the nitrogen source provided in the media.
• B) not change or adapt very much over this small number of generations.
• C) each accumulate different random mutations resulting in different adaptations to use the nitrogen in the media.
• D) direct mutations to occur in nitrogen utilization and uptake genes in order to adapt rapidly to the culture conditions.

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Definitions:

GABA Receptors

Proteins in the nervous system that respond to the neurotransmitter gamma-aminobutyric acid (GABA), playing a key role in regulating neuronal excitability and involved in anxiety, sleep, and the relaxation process.

Norepinephrine

A neurotransmitter and hormone involved in the body’s fight-or-flight response, affecting attention, heart rate, and blood pressure.

Catastrophic Thinking

An irrational thought process leading an individual to believe that something is far worse than it actually is, often seen in anxiety and depression.

Bodily Sensations

Physical feelings or perceptions resulting from the condition of the body or its parts.