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Biology Chapter 2.2 Review
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To cause something to break up into smaller pieces is called ________.
dissolve
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What is an element that cells are made up of?
carbon, hydrogen, nitrogen, oxygen, phosphorous, sulfur
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Most of animal's lipids are ______.
fats
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What are molecules made out of sugar?
carbohydrates
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What is a cell found in?
organism
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What are large molecules in a cell that carry out the functions of life?
proteins
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Lipids do not dissolve in _______.
water
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What % of water is a cell made up of?
70%
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Most of plant's lipids are _______.
oils
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Fats and oils are an example of ________.
lipids
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The main fuel that is used for cell activities.
ATP
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What is an example of a job a protein performs?
protect cells, digest food, fight infections, keep organism working
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What molecules are used for energy and energy storage?
carbohydrates
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A chain of small molecules that makes up a protein in a cell.
amino acids
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What is used in a cell to dissolve materials into smaller pieces?
water
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What has the code that is needed to make proteins?
DNA
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What type of lipids make up the cell membrane?
phospholipids
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What are molecules in a cell that either store energy or make up the cell membrane?
lipids
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