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


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