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Study
Macromolecules Review
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What molecule is the best source of short term energy?
glucose
glycerol
galactosidase
glycogen
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What do enzymes do?
speed up chemical reactions
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Describe the three parts of a phospholipid.
phosphate head, glycerol backbone, two fatty acid tails
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What type of biomolecule is this?
carbohydrate
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glycerol & fatty acids
nucleic acids
proteins
carbs
lipids
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19. Which molecule builds cell walls in plants, gives plants strength and flexibility, and is the most abundant organic compound on Earth?
glycogen
trans fat
phospholipid
cellulose
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proteins are polymers formed from
polysaccharides
phospholipids
amino acids
nitrogenous base
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Which of the following is NOT a function of proteins?
can control rate of chemical reactions in the cell
moves things around the cell
form cell structure
provide quick energy for the cell
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Describe part B.
hydrophobic, hydrocarbon chain, fatty acid tail
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Which biomolecule is always hydrophobic?
lipid
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What type of biomolecule is this?
nucleic acid
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What is the primary structure of proteins?
chain of amino acids linked by covalent bonds
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What is the tertiary structure of proteins?
complete three-dimensional folding, may be functional unless subunits are needed
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What are polysaccharides like cellulose and chitin used for?
cell walls (cell structure)
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10. Which of the following molecules is NOT a polymer?
glucose
protein
glycogen
cellulose
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What type of biomolecule is this?
polypeptide / protein
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What is the function of nucleic acids?
store, communicate, transmit genetic information
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polymers are joined together to create larger molecules named monomers.
true
false
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Which biomolecule is a long-term store of energy?
lipid
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34. All organisms contain the element carbon.
True
False
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Amino acids are the monomer for which biomolecule?
polypeptide / protein
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All macromolecules contain nitrogen.
False
True
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9. Oils and waxes are formed from which of the following macromolecules?
proteins
carbs
lipid
nucleic acids
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6. Which of the following is NOT an organic molecule found in living organisms?
phospholipid
sodium chloride
dextrose
maltose
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What type of bond keeps atoms together within one molecule of water? (be specific)
polar covalent
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Which biomolecule is a short-term store of energy?
carbohydrates
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What type of biomolecule is this?
lipid
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