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Seed Morphology
Functions/anatomy of seeds
7
Biology
Undergraduate 1
10/16/2010

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Cards

Term
Seed Functions
Definition

Propagation of the plant

Nutrient storage

Protection

Term
embryonic axis
Definition

Plumule (Top; shoot comes out)

Epicotyl (area above P.o.A)

Point of attachment (Where cotyledon attaches)

Hypocotyl (area below P.o.A)

Radicle (bottom; Root tissue formation)

Term
Area of nutrient storage in grasses:
Definition
Endosperm (Cotyledon aborbs energy)
Term
Area of nutrient storage in beans:
Definition
Cotyledon (Endosperm absorbs energy)
Term
Types of energy stored in seeds:
Definition

-Carbs (breakdown of molecules made up of carbon, hydrogen, oxygen)

-Proteins (Nitrogen rich; amino acids)

-Cofactors (vitamins)

-Lipids (oils in the form called triglycerides [fats])

Term
Lipids found in dicots:
Definition

Protein

(High lipid/protein, low carb=oilseeds)(peanut)

(High protein/carb, low lipid=pulse crops)

Term
Two layers of protection in seed:
Definition

-Ovary tissue (pericarp) (shell of peanut)

 

-Ovule wall (seed coat) (skin of peanut)

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