The Nature of Matter
What 3 subatomic particles make up atoms?
What are protons, neutrons, and electrons.
What is the most abundant compound in living things?
What is water (H2O)?
What element does all organic matter contain?
What is carbon?
What are the elements that enter a chemical reaction?
What are the reactants?
What are the simple sugar molecules of a carbohydrate called?
What are monosaccharides?
What type of bond is formed by sharing an electron pair?
What is a covalent bond?
What are the most abundant elements in living things?
What are Carbon (C), Hydrogen (H), Oxygen (O), and Nitrogen (N)?
How many macromolecules are there? What are the names of the macromolecules?
What is four macromolecules? What is carbohydrates, lipids, nucleic acids, and proteins?
What are the elements or compounds produced by a chemical reaction?
What are the products?
Where is the negative pole of found on a water molecule?
What is near the oxygen atom?
What type of bond is formed by transferring one or more electrons from one atom to another?
What is an ionic bond?
What is the attraction between molecules of the same substance?
What is cohesion?
Which macromolecule is the main source of energy for living things?
What is carbohydrates?
What is a substance that speeds up the rate of a chemical reaction?
What is a catalyst?
Proteins are composed of polymers of what?
What are amino acids?
Which molecular bond has the strongest attraction?
What are ionic bonds?
What is an attraction between molecules of different substances?
What is adhesion?
What are two functions of proteins?
What are help fight disease, control the rate of reactions and regulate cell processes, and build tissues such as muscle and bone?
In a cell, what lowers the activation energy needed for a chemical reaction to take place?
What is an enzyme?
What are the two characteristics of an acid?
What are they contain H+ ions and pH lower than 7?
List the molecular bonds from weakest to strongest.
What is hydrogen bond, covalent bond, and ionic bond?
In a salt water solution, what is the solvent and what is the solute?
What is water as the solvent? What is salt as the solute?
What does it mean for a lipid to be saturated?
What is that the fatty acid contains the maximum possible number of single bonded hydrogen atoms?
What three variables can affect the activity of enzymes?
What are temperature, pH, and regulatory molecules?
Why does ice float?
What is because it is less dense than water?