Quiz 2 Flashcards
_____ processes require the cell to expend energy to move ions or molecules across the cell membrane, usually in the form of adenosine triphosphate (ATP).
Active
________ are atoms or molecules with an electric charge.
Anions, cations, ions
_______is stored energy.
Potential energy
______are chemical bonds created by the electrical attraction between anions and cations.
Ionic bonds
______are the essential elements and molecules obtained from the diet.
Nutrients
______are compounds that stabilize pH by either removing or replacing hydrogen ions.
Buffers
Sodium, potassium, calcium, and magnesium are examples of:
Cations
What reaction breaks molecules into smaller fragments (for example, AB>A+B)
Decomposition reaction
Inorganic compounds do not contain hydrogen and______atoms.
Carbon
________is a form of decomposition reaction.
Catabolism, Digestion, Hydrolysis
______is the next movement of molecules from an area of relatively high concentration to an are of relatively low concentrations.
Diffusion
What is the diffusion of water across a cell membrane called?
Osmosis
Which solution does not cause the net movement of water into or out of a red blood cell?
Isotonic
Which solution causes the movement of water into a red blood cell, causing it to swell and possible lyse, or burst?
Hypotonic
Which solution causes a red blood cell to lose water, causing the cell to shrink and dehydrate?
Hypertonic
