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AP Biology Metabolism — practice questions

Explore 58 free Metabolism questions in AP Biology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Metabolism questions and exercises with answers

Showing questions 1–30 of 58.

Reactions that break complex molecules into simpler ones and release energy are called:Read the answer and worked solution →Reactions that build complex molecules and require an input of energy are called:Read the answer and worked solution →Energy associated with objects in motion is called:Read the answer and worked solution →The potential energy stored inside chemical bonds, released when they break, is called:Read the answer and worked solution →The special molecules that speed up biochemical reactions are called:Read the answer and worked solution →ATP stands for adenosine triphosphate, meaning adenosine bound to:Read the answer and worked solution →The place on an enzyme where its substrate binds is the:Read the answer and worked solution →The first law of thermodynamics states that energy:Read the answer and worked solution →The second law of thermodynamics says every energy transfer:Read the answer and worked solution →Free energy in biology is named Gibbs free energy after:Read the answer and worked solution →A reaction with a negative change in free energy is described as:Read the answer and worked solution →Anabolic processes in a cell are, in energy terms:Read the answer and worked solution →The small energy input every chemical reaction needs to get started is the:Read the answer and worked solution →The contorted, high-energy arrangement a molecule passes through mid-reaction is the:Read the answer and worked solution →Hydrolysing one mole of ATP into ADP and inorganic phosphate releases about:Read the answer and worked solution →Trypsin works best at pH 8 while pepsin works best in acid, which shows that enzymes:Read the answer and worked solution →A wrecking ball hanging motionless at the top of its swing holds:Read the answer and worked solution →A closed system in thermodynamics is one that can transfer:Read the answer and worked solution →If a cell were a closed system it would die because its reactions would:Read the answer and worked solution →Life is thought to have evolved anaerobic metabolism first because at the time:Read the answer and worked solution →Unless it is used quickly to do work, ATP spontaneously breaks down and the released energy is:Read the answer and worked solution →Anabolic or catabolic?Read the answer and worked solution →Match each energy term to its meaningRead the answer and worked solution →State the two lawsRead the answer and worked solution →True or false: energy in the cellRead the answer and worked solution →Sort each reaction by its energy signRead the answer and worked solution →Do the ATP arithmeticRead the answer and worked solution →Which one does not belong?Read the answer and worked solution →Plants, algae and cyanobacteria that use light to make their own food are called:Read the answer and worked solution →Bacteria at a deep sea vent make sugars using energy from inorganic chemicals. They are:Read the answer and worked solution →

Worked practice questions

Reactions that break complex molecules into simpler ones and release energy are called:

  1. Catabolism
  2. Anabolism
  3. Osmolarity
  4. Chemiosmosis
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Correct answer: A. Catabolism

1. A cell's metabolism refers to the chemical reactions that occur within it. 2. Those reactions run in two opposite directions. 3. Breaking down complex molecules into simpler ones with a release of energy is catabolism. 4. Building complex molecules, which requires energy, is anabolism. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 6 'Metabolism', sections 6.1-6.5_

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Reactions that build complex molecules and require an input of energy are called:

  1. Catabolism
  2. Anabolism
  3. Hydrolysis
  4. Oxidation
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Correct answer: B. Anabolism

1. Metabolism is composed of building and degradation. 2. The building half needs energy put in because the product stores more of it. 3. Other metabolic reactions require energy to build complex molecules, which is anabolism. 4. Catabolism runs the other way and releases energy instead. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 6 'Metabolism', sections 6.1-6.5_

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Energy associated with objects in motion is called:

  1. Bond energy
  2. Light energy
  3. Kinetic energy
  4. Nuclear energy
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Correct answer: C. Kinetic energy

1. Energy is defined as the ability to do work. 2. A moving object is capable of enacting a change, that is, doing work. 3. Energy associated with objects in motion is called kinetic energy. 4. An object that is not in motion instead holds potential energy. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 6 'Metabolism', sections 6.1-6.5_

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