Refer to the Figure Below Showing the Steps Carried Out

question 210

Multiple Choice

Refer to the figure below showing the steps carried out in a laboratory using cells obtained from a mouse embryo. What statement is true based on the experiment depicted in the figure?

• A) The processes involved in a developing multicellular organism are too complex to study in the lab.
• B) External factors are unimportant in determining the path of specialization of cells in a developing embryo.
• C) Specialization of each cell in a multicellular organism relies solely on which genetic factors are present in the cell.
• D) A multicellular organism develops from a group of identical cells into nonidentical specialized cells that perform different functions.
• E) Cells become specialized as a mouse embryo develops, but their specialized identities can be changed to different identities at times along the way.

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Definitions:

Selective Serotonin Reuptake Inhibitors

A class of drugs commonly used as antidepressants that work by increasing serotonin levels in the brain.

Tardive Dyskinesia

A neurological syndrome caused by the long-term use of neuroleptic drugs, characterized by repetitive, involuntary, purposeless movements.

Depression

A mental health disorder marked by persistent sadness, lack of interest or pleasure in activities, and may include symptoms such as changes in appetite or sleep patterns.

Antidepressant Drugs

Medications prescribed to alleviate symptoms of depression by adjusting brain chemistry.