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14 Cards in this Set
- Front
- Back
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What are the four biomolecules?
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Carbohydrates, Lipids, Proteins, and Nucleic Acids
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Carbohydrates are
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molecules made of sugar.
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Carbohydrates are made of which elements?
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Carbon, Hydrogen, Oxygen
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Carbohydrates are used by cells in the following ways.
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- Quick Energy
- Structural Support (cell wall) - Cell Recognition (invading cells are destroyed if they don't have carbs) |
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Examples of carbohydrates include...
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glucos - monosaccharide - 1 sugar
sucrose - disaccharide - 2 sugars starch - polysaccharide - many sugars |
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Lipids are made of which elements?
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Carbon and Hydrogen
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Examples of Lipids include...
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Fats
Waxes Phospholipids Steroids A green leaf is covered with wax to prevent evaporation |
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Cells use Lipids for...
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- Storing Energy
- Water barrier > cell membrane is made of phospholipids. |
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What are proteins?
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Chains of amino acids.
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What elements are in a protein molecule?
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Carbon, Hydrogen, Oxygen, and Nitrogen
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Cells use proteins for...
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Structure and support - the amino acids twist and form into shapes that determine what the protein does.
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What are nucleic acids?
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Long chains of nucleotides. Made up of a sugar, base, and phosphate group.
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List an example of a nucleic acid.
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DNA
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Cells use nucleic acids for...
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- Heredity info >> DNA
- Energy Carriers >> Some nucleotides supply energy, ie. ATP nucleotide that releases energy |
