Latrunculin a Is a Reversible Toxin That Disrupts the Formation

question 8

Multiple Choice

Latrunculin A is a reversible toxin that disrupts the formation of actin fibers.A culture of a particular species of diatom was treated with this toxin diluted in a buffer,while another culture was treated only with the buffer (no toxin;control) .The motility of cells in each culture was assessed by counting the number of cells that were moving during a defined period of time.Which of the following conclusion statements is reasonable based on the data in the bar graph presented below?

• A)Formation of actin fibers is not necessary for the movement in this species of diatom.
• B)The buffer alone largely inhibited movement in this species of diatom.
• C)In this species of diatom,fully formed actin fibers are necessary for movement.

Appreciate the significance of individual and organizational readiness for change.

Describe the process and importance of organizational diagnosis in change efforts.

Explain the role of communication and participation in change management.

Understand the concept of self-fulfilling prophecy in the context of organizational change.

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Definitions:

Observations

The action or process of closely monitoring or noting phenomena to gain information.

Variables

Elements, characteristics, or factors that can change and affect the outcome of a study or experiment.

Hawthorne Effect

Modification of behavior by study participants due to their awareness of being observed, highlighting the influence of observation on research outcomes.

Reactivity

The extent to which people alter their behavior or responses due to being observed or knowing they are being studied.