Which of the Following Signaling Methods Is Absent in Plants

question 61

Multiple Choice

Which of the following signaling methods is absent in plants but present in other eukaryotes?

• A)MAP kinase pathway
• B)Ca²⁺ signaling
• C)phosphoinositide signaling
• D)cyclic nucleotides
• E)extracellular receptors

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Definitions:

Trans-1,3-cyclohexanedicarboxylic Acid

A type of dicarboxylic acid where the carboxyl groups are located on the first and third carbon atoms of a cyclohexane ring, in a trans configuration.

Carboxylic Acids

Organic compounds containing a carboxyl group (COOH), known for being acidic and reactive in condensation reactions.

Carboxyl Group

A functional group, written as -COOH, present in organic acids comprising a carbon atom double-bonded to an oxygen atom and singly bonded to a hydroxyl group.

Hydroxyl Group

A functional group (-OH) consisting of an oxygen atom bonded to a hydrogen atom, found in alcohols and phenols.