Plant Gravitropism
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Flashcards focusing on the key vocabulary related to plant gravitropism from the lecture notes.
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7 Terms
Gravitropism
The growth response of a plant to gravity.
Positive gravitropism
A growth response where roots grow downward toward gravity.
Negative gravitropism
A growth response where shoots grow upward against gravity.
Auxin
A plant hormone that regulates growth by promoting root growth downward and shoot growth upward.
Cytosol
The liquid part of the cytoplasm, a gel-like substance where organelles are suspended.
Dynamic cytoskeleton
A network that provides structure and facilitates movement within plant cells.
Sensing organelles
Organelles that detect changes in gravity to help plants respond appropriately.