Macromolecules Flashcards
Name the four macromolecules.
Carbohydrates, Proteins, Lipids, Nucleic Acids
What are the symbols for the 6 most common elements found in living things?
C, H, N, O, P, S
What are the names for the 6 most common elements found in living things?
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur
What is the function of carbohydrates?
Short term energy
What is the function of proteins?
Movement & structure, and Enzymes
What is the function lipids?
Long term energy storage
What is the function of nucleic acids?
Storage and transmission of genetic information.
What are the monomers (building blocks) of proteins?
Amino Acids
Why are lipids better for long term energy storage than carbohydrates?
Lipids contain 9 calories per gram (more energy per gram) than carbohydrates (4 calories per gram)
What percentage of water (by weight) is found in cells?
About 70%
Which property of water allows it to support objects more dense than water?
Surface Tension
Why are enzymes important to living things?
They speed up chemical reactions.
Enzymes are a type of __________.
Protein
Eliminating waste in urine takes advantage of which of water’s properties?
Universal Solvent
Water is di-polar, this means ________.
That is has a slight negative charge on the oxygen and a slight positive charge on the hydrogens.