IB Biology: C3.1-Ripening of Fruits and Ethylene
Flashcard
•
Biology
•
9th - 12th Grade
•
Hard
Herbert Asiedu-Mante
FREE Resource
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4 questions
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1.
FLASHCARD QUESTION
Front
What changes occur during the ripening of fruits?
Back
Changes in color, softening of the flesh, conversion of acids and sugars into sugar, synthesis of volatile substances or scents.
2.
FLASHCARD QUESTION
Front
What stimulates the ripening of fruits?
Back
A gaseous phytohormone called ethylene or ethene, produced by a ripening fruit.
3.
FLASHCARD QUESTION
Front
How does ethylene affect nearby fruits?
Back
Exposure to ethylene stimulates more ripening in nearby fruits, promoting the production of more ethylene.
4.
FLASHCARD QUESTION
Front
What type of feedback mechanism is involved in the ripening of fruits?
Back
Positive feedback control mechanism, as the release of ethylene leads to more release of ethylene.
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