Chapter Test / Mock Test Flashcards
____ is anything that occupies space and has mass.
Matter
Molecules are made up of particles called ____.
Atoms
Positively charged particles within the nucleus of an atom are called ___.
Protons
Electrons inhabit regions of the atoms called _____ levels.
Energy
Substances with molecules having more than one kind of atom are called ______.
Compounds
A(n) _______ chemical bond occurs when atoms share electrons.
Ionic
The symbol k+ represents the potassium ___.
Ion
A compound that dissociates in water form ions is called a (n) ________.
Electrolytes
Molecules that have a carbon-carbon bond in them are classified as _____ .
Covalent
In salt water, salt is the solute and water is the ______.
Solvent
When water is used to build up small molecules into larger molecules, the process is called _________ ________.
Dehydration Synthesis
_____ are solutions that have an excess of hydrogen ions.
Acids
Blood contains chemicals called _______ that maintain a stable pH .
Buffers
The bonding properties of an element are primarily determined by the :
Electrons
A molecule with an abundance of this functional group would readily dissolve in water :
Hydroxyl
A chemical capable of neutralizing an acid or a base is called a :
Buffer
pH is the measure of the ______ ____ concentration of a solution .
Hydrogen Ion
Which is a monosaccharide or simple sugar :
Glucose
Human muscles store sugars in the form of :
Glycogen
Which of these lipids act as chemical messengers in the body :
Sterols
Which essential nutrients are converted into proteins in humans?
Amino Acids
Proteins that carry out chemical work for the body are called ?
Enzymes
Monomers of nucleic acids are essential for the following role :
Energy Transfer
Which of the following is not a common cause of molecular aging :
Antioxidants
