Water
Water dissolves many things meaning it is a good __________.
solvent
What are the four kinds of macromolecules?
Carbohydrates, lipids, proteins, and nucleic acids
Sugars, bread, starches, pasta, fruit
What are three kinds foods that contain proteins?
Meat, eggs, nuts
Besides fats, what is another type of lipid?
Oils
If something is "water-loving" and can dissolve in water it is _______________.
hydrophilic
What do we call the individual parts of macromolecules?
Monomers
What are the monomers of carbohydrates?
Sugars
What are the monomers of proteins?
Amino acids
Are lipids hydrophilic or hydrophobic?
Hydrophobic
hydrophobic
Monomers connect to make ______________.
Polymers/macromolecules
What are the three categories of carbohydrates?
Monosaccharides, disaccharides, polysaccharides
What are two important roles of proteins in the body?
Answers will vary
What is the chemical difference between saturated and unsaturated fats?
Saturated fats have the maximum amount of hydrogen; unsaturated fats have less hydrogen because of a double carbon bond.
What does it mean that water is a polar substance?
It shares its electrons unequally.
What does it mean that macromolecules are organic?
They contain carbon-hydrogen bonds.
Is glucose a monosaccharide, disaccharide, or polysaccharide?
Monosaccharide
What is the difference between DNA and RNA?
DNA is double-stranded; RNA is single-stranded
What are the monomers of lipids?
Glycerol and fatty acids
Which part of water molecules have which charges?
Oxygen=slightly negative
What kind of reaction breaks down polymers?
Hydrolysis
Which polysaccharide is found in the cell walls of plants?
Cellulose
What are the three parts of a nucleotide?
Phosphate, nitrogenous base, sugar
Where can you find phospholipids?
In the cell membrane