26 notecards = 7 pages (4 cards per page)
All of the following are states of matter except ______.
Substances that cannot be broken down into simpler substances are defined as ________.
Energy in action is defined as ________ energy.
When you row a boat, your arms provide which type of energy?
When energy is converted from one form to another, some of the original energy is "lost" as ________.
Which of the following is not one of the four major elements in the human body?
The atomic number is always equal to the number of _______ in an atom.
Isotopes have the same number of _______ but differ in the number of ________.
b. protons; neutrons
If an atom gains an electron, the resulting charge of that atom is more _________.
Which spontaneously decompose into more stable atoms?
Which of the following is not a compound?
The following are electrons in the electron shells of four atoms. Which atom would most likely be reactive?
c. 2, 8, 7
An ionic bond is formed between _______.
d. a cation and an anion
Which type of bond is formed when electrons are shared unequally between atoms?
a. Polar covalent
Which of the following statements is true of solvents?
c. Water is the main solvent in the body.
Building muscle tissue is an example of which type of reaction?
All of the following affect the rate of a reaction except __________.
Bonds are broken during which type of reaction?
An enzyme is an example of a _________.
Which of the following is not a reason for the irreversibility of chemical reactions in cells?
c. Biological reactions can only proceed in a
A steroid is an example of _________.
b. a lipid
Which of the following is not a function of water?
b. Source of electrolytes
Which pH indicates a weak base?
Which of the following describes the tertiary structure of proteins?
d. α-helical or β-pleated regions of the
A substance that dissociates into cations and hydroxyl ions is __________.
b. a base
Which substance is the primary energy-transferring molecule in the cell?