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Higher biology - Chapter 30
Glossary
12
Biology
Not Applicable
04/30/2011

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Term
Definition
Starch-digesting enzyme produced in cereal grains
Term
abscission
Definition
Separation of a leaf or fruit from its plant of origin
Term
aleurone layer
Definition
Site of induction of
Term
apical dominance
Definition
Inhibition of lateral buds by a high concentration of auxin from the shoot tip
Term
dwarf variety
Definition
Strain of a plant unable to manufacture sufficient gibberellic acid to attain normal height
Term
gibberellic acid
Definition
Hormone that reverses genetic dwarfism and breaks seed dormancy in plants
Term
herbicide
Definition
Selective weedkiller often containing synthetic auxin
Term
indole acetic acid
Definition
Type of auxin which promotes cell division and elongation in plants
Term
parthenocarpy
Definition
Development of fruit without fertilisation
Term
phototropism
Definition
Directional growth of a plant organ in response to light from one direction
Term
somatotrophin
Definition
Hormone that stimulates overall growth of the human body
Term
thyroid-stimulating hormone
Definition
Chemical messenger from the pituitary gland which controls the activity of the thyroid gland
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