Free TEAS Test Exam Braindumps (page: 44)

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A ball is tied to a pole with a rope and is moving in a circle with constant speed. Which of these statements about the ball is true?

  1. Force is acting away from the center of circle.
  2. Force is acting at a tangent to the circle.
  3. There is no acceleration.
  4. There is force acting toward the center of circle.

Answer(s): D



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






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