Structurally Similar RTKs Have Been Found in All Multicellular Animals

question 68

Multiple Choice

Structurally similar RTKs have been found in all multicellular animals, suggesting that ____.

• A) RTK genes are resistant to mutation
• B) RTKs evolved relatively early in the history of animals
• C) RTKs evolved from G proteins
• D) RTKs are not involved in vital processes in animals
• E) RTKs have evolved independently of each other in animals

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Definitions:

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