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Macromolecules
Question | Answer |
---|---|
What are the 4 types of macromolecules? | carbohydrates, lipids, protein, nucleic acid |
The "pieces" of macromolecules | monomers |
The large molecules made by monomers | polymers |
ELEMENTS found in carbohydrates | C, H, O 1:2:1 ratio |
ELEMENTS found in lipids | C, H, O no ratio |
ELEMENTS found in protein | C, H, O, N, & sometimes S |
ELEMENTS found in nucleic acids | C, H, O, N, P |
functions of carbohydrates | energy, energy storage, and some structures |
monomers of carbohydrates | monosaccharides |
polymers of carbohydrates | polysaccharides |
polysaccharide used for energy storage in plants | starch |
polysaccharide used for energy storage in animals | glycogen |
polysaccharide used for structures - in plant cell walls | cellulose |
polysaccharide used for structures - in exoskeletons of insects and crustaceans | chitin |
monomers of lipids | triglyceride (1 glycerol + 3 fatty acids) |
lipids that are solid at room temperature | fats |
lipids that are liquid at room temperature | oils |
straight fatty acid chains with NO double bonds (full of hydrogen) | saturated fats |
bent fatty acid chains with at least 1 double bond (not full of hydrogen) | unsaturated fats |
lipid that makes up the cell membrane | phospholipid |
monomers of protein | amino acids |
amino acids are held together with _________ bonds | peptide |
proteins that act as catalysts | enzymes |
catalysts (like an enzyme) _______-_______ reactions | speed-up |
"______ & ______" - each enzyme only works on one specific molecule and does only one specific job | Lock & Key |
the molecule the enzyme acts on | substrate |
part of the enzyme where the substrate fits | active site |
monomers of nucleic acids | nucleotides |
3 parts of the nucleotide | nitrogen base, sugar, & phosphate group |
polymers of nucleic acids | DNA & RNA |
functions of nucleic acid | carry and transfer hereditary information, blueprint for life |
Organic molecules must include which element? | Carbon |
The amount of energy needed to start a reaction (enzymes lower this). | activation energy |