6.1 Atoms, Elements, and Compounds
The basic unit of matter.
What is an atom?
The process by which atoms or groups of atoms in substances are reorganized into different substances.
What is a chemical reaction?
A pH of 8 or above is said to be?
What is a base?
A simple sugar.
What is a monosaccharide?
A chemical bond where electrons are shared between two atoms.
What is a covalent bond?
The three subatomic particles that make up an atom.
What are protons, neutrons, and electrons?
In the equation below C6H12O6 and O2 are the:
C6H12O6 + 6 O2 --> 6 H2O + 6 CO2
DOUBLE JEOPARDY!! The attraction between a hydrogen atom with a partial positive charge and another atom with a partial negative charge.
What is a hydrogen bond?
Smaller units of a polymer.
Molecules that have an unequal distribution of charges.
What is a polar molecule?
Atoms of the same element that have a different number of neutrons.
What is an isotope?
Proteins that act as biological catalysts.
What are enzymes?
A substance in which a solute dissolves.
What is a solvent?
DOUBLE JEOPARDY!!! The process by which macromolecules are formed.
What is polymerization?
The specific location a substrate binds on an enzyme.
What it the active site?
A pure substance that consists of only one type of atom that cannot be broken down into other substances by chemical or physical means.
What is an element?
The energy needed to get a reaction started.
What is activation energy?
The attraction between molecules of the same substance.
What is cohesion?
Amino acids are the monomers of a ____________ and are bonded by ______________ bonds.
What is a protein? What is a peptide bond?
_______________ are used for short term energy storage; _______________ are used for long term energy storage.
What are carbohydrates? What are lipids?
A pure substance formed when two or more different elements combine.
What is a compound?
A substance that speeds up a chemical reaction by lowering the energy needed to start the reaction.
What is a catalyst?
The attraction between molecules of different substances.
What is adhesion?
Made up of Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphate
What is a nucleic acid?
Adenine, Thymine, Guanine, and Cytosine are: