Interpret the Results to the Following Experiment

question 83

Multiple Choice

Interpret the results to the following experiment.Transcriptional activity of chemotactic genes showed a high expression level during the following conditions: repelling away from compound 1,moving towards compound 2,and remaining sessile when presented compounds 3 and 4.

• A) Activity during movement in any direction led to high measurements observed, and the sessile population responded equally to both a chemoattractant and a chemorepellant but remained in the same location for their net movement.
• B) Gene expression by itself cannot distinguish between cells responding to both an attractant and repellent, so this ambiguity makes transcriptomics unfavorable but nonetheless indicates activity.
• C) The activity observed during a sessile existence suggests the molecular probe was targeting a chemotactic gene that is also involved in other non-chemotactic functions due to the activity observed.
• D) Transcriptomics as a whole cannot be used for chemotaxis genes because they are not regulated at the transcriptional level (i.e., they are constitutive), which is why activity is observed on all three conditions.

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Definitions:

Andrea Pisano

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A term referring to the period of ancient history and classical civilizations before the Middle Ages.