Free TEAS Section 2: Sentence Correction Exam Braindumps
Test of Essential Academic Skills - Sentence Correction Questions 21–25 (page: 6)

Updated On: 9-Feb-2026

Which of these make up a molecule of fat?

  1. three molecules of fatty acid and one molecule of glycerol
  2. one glycerol molecule and three stearic acid molecules
  3. three molecules of glycerol and one molecule of fatty acid
  4. one carbon, one hydrogen, and one oxygen molecule

Answer(s): A



Fill in the blanks:

Enzymes are ____________that work best at ____________pH or temperature.

  1. biological catalysts, optimum
  2. organic catalysts, minimum
  3. inorganic catalysts, maximum
  4. chemical substances, moderate

Answer(s): A



Which of these statements regarding the process of fermentation is true?

  1. It is an example of tissue respiration where yeast acts on carbohydrates to produce oxygen and alcohol.
  2. It is an example of an aerobic process where yeast acts on a sugar solution to produce oxygen and alcohol.
  3. It is an example of an anaerobic process where bacteria act on a protein solution to produce carbon dioxide and alcohol.
  4. It is an example of an anaerobic process where yeast acts on a sugar solution to produce carbon dioxide and alcohol.

Answer(s): D



Which of these statements regarding the “oxygen debt” created during heavy exercise is true?

  1. Oxygen debt is created due to build-up of acetic acid in the muscles, which needs a high level of oxygen to be oxidized.
  2. Oxygen debt is created due to build-up of lactic acid in the muscles, which needs a high level of oxygen to be oxidized.
  3. Oxygen debt is created due to build-up of lactic acid in the liver, which needs a high level of oxygen to be stored.
  4. Oxygen debt is created due to build-up of lactic acid in the muscles, which needs a high level of carbon dioxide to be oxidized.

Answer(s): B



Which of these statements regarding facilitated diffusion across a cell membrane is true?

  1. It is a kind of active transport (i.e., does directly use energy such as hydrolysis of ATP) that requires protein pumps.
  2. It is a kind of passive transport (i.e., does not directly use energy such as hydrolysis of ATP) that does not require transmembrane/carrier proteins.
  3. It is a kind of passive transport (i.e., does not directly use energy such as hydrolysis of ATP) that requires transmembrane/carrier proteins.
  4. It is a kind of active transport (i.e., does directly use energy such as hydrolysis of ATP) that requires transmembrane/carrier proteins.

Answer(s): C



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