AP Biology Metabolism — practice questions
22 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice AP Biology Metabolism in the app →Reactions that break complex molecules into simpler ones and release energy are called:Reactions that build complex molecules and require an input of energy are called:Energy associated with objects in motion is called:The potential energy stored inside chemical bonds, released when they break, is called:The special molecules that speed up biochemical reactions are called:ATP stands for adenosine triphosphate, meaning adenosine bound to:The place on an enzyme where its substrate binds is the:The first law of thermodynamics states that energy:The second law of thermodynamics says every energy transfer:Free energy in biology is named Gibbs free energy after:A reaction with a negative change in free energy is described as:Anabolic processes in a cell are, in energy terms:The small energy input every chemical reaction needs to get started is the:The contorted, high-energy arrangement a molecule passes through mid-reaction is the:Hydrolysing one mole of ATP into ADP and inorganic phosphate releases about:Trypsin works best at pH 8 while pepsin works best in acid, which shows that enzymes:A wrecking ball hanging motionless at the top of its swing holds:A closed system in thermodynamics is one that can transfer:If a cell were a closed system it would die because its reactions would:Turning one cycle of the sodium-potassium pump, exporting three sodium ions and importing two potassium ions, Life is thought to have evolved anaerobic metabolism first because at the time:Unless it is used quickly to do work, ATP spontaneously breaks down and the released energy is: