Many of the Signaling Pathways Used for Signaling Between Cells

question 133

Multiple Choice

Many of the signaling pathways used for signaling between cells in complex multicellular organisms first evolved in:

• A)unicellular eukaryotes.
• B)simple multicellular eukaryotes.
• C)unicellular prokaryotes.
• D)simple multicellular prokaryotes.
• E)complex multicellular prokaryotes.

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