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Frayer Model
DEFINITION
CHARACTERISTICS
• Large biomolecule composed
of mostly H, and C with a small
amount of O
EXAMPLES/MODELS
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Oils
Fats
Waxes
Steroids
Cholesterol
Hormones
Estrogen
Testosterone
• In general, used for long term
energy storage
• In general, used for insulation
• In general, make-up cell
membranes and protective
coverings
• Not water soluble
• Classified as saturated and
nonsaturated
• Made of Fatty Acid subunits
(smaller repeating parts)
Lipids
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Frayer Model
DEFINITION
CHARACTERISTICS
• Biomolecule composed of
C,H,O in a 1:2:1 ratio
respectively
EXAMPLES/MODELS
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Sugars
Starches
Cellulose
Glycogen
Glucose
• In general, used for short term
energy storage
• Show a range of solubility (ability
to dissolve)
• Found in breads, crackers,
grains, chips, etc
• Largest component of human
diet
• Made of sugar subunits (smaller
repeating parts) or a chain of
sugars
Carbohydrate
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Frayer Model
DEFINITION
• Specific chain of amino
acids that has a
specialized role which
maintains cells or
tissue
EXAMPLES/MODELS
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Enzymes
Lactase
Insulin
Hair
Nails
Muscle
Hemoglobin
CHARACTERISTICS
• Composed of C, H, N, O and
sometimes S
• Help organisms form structural
components
• Carry out all cellular reactions
• Function based on 3-dimensional
shape
• Made of amino acid subunits (smaller
repeating parts)
• Enzymes are proteins that speed up
chemical reactions
Protein
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Frayer Model
DEFINITION
CHARACTERISTICS
• Biomolecule that contains
genetic code or
information used to make
proteins
EXAMPLES/MODELS
• DNA
• RNA
• Made of chains of nucleotides
• Contains instructions to make all
proteins
• DNA is found in the nucleus
• DNA is passed on from one
generation to the next
• Found in all cells
• DNA is double stranded
• RNA is single stranded
Nucleic Acids
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