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Signal molecules that pass from one cell to another in plants include A - VCE - SSCE Biology - Question 22 - 2007 - Paper 1
Question 22
Signal molecules that pass from one cell to another in plants include A. gibberellins that inhibit seed germination. B. ethylene that gives the instruction for fruit... show full transcript
Worked Solution & Example Answer:Signal molecules that pass from one cell to another in plants include A - VCE - SSCE Biology - Question 22 - 2007 - Paper 1
Step 1
B. ethylene that gives the instruction for fruits to ripen.
Answer
Among the options provided, ethylene is the key signaling molecule that facilitates fruit ripening in plants. Ethylene is a gaseous hormone that triggers the ripening process by activating genes associated with softening, color change, and the development of aroma in fruits.