TLS Online TPP Program

#Question id: 548


Which one of the following statements is true of enzyme catalysts?

#SCPH06 I Botany
  1. Their catalytic activity is independent of pH.

  2. They are generally equally active on D and L isomers of a given substrate.

  3. They can increase the equilibrium constant for a given reaction by a thousand fold or more.

  4. They can increase the reaction rate for a given reaction by a thousand fold or more.

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TLS Online TPP Program

#Question id: 11060

#I Life Science/ Life Sciences Group – I-V

A healthy, 25-year-old medical student participates in a 10-km charity run for the American Heart Association. Which of the following muscles does the student use (contract) during expiration?

TLS Online TPP Program

#Question id: 11060

#SCPH28 | Zoology

A healthy, 25-year-old medical student participates in a 10-km charity run for the American Heart Association. Which of the following muscles does the student use (contract) during expiration?

TLS Online TPP Program

#Question id: 11061

#I Life Science/ Life Sciences Group – I-V

The pleural pressure of a normal 56-year-old woman is approximately −5 cm H2O during resting conditions immediately before inspiration (i.e., at functional residual capacity). What is the pleural pressure (in cm H2O) during inspiration?

TLS Online TPP Program

#Question id: 11061

#SCPH28 | Zoology

The pleural pressure of a normal 56-year-old woman is approximately −5 cm H2O during resting conditions immediately before inspiration (i.e., at functional residual capacity). What is the pleural pressure (in cm H2O) during inspiration?

TLS Online TPP Program

#Question id: 11062

#I Life Science/ Life Sciences Group – I-V

The alveolar pressure of a normal 77-year-old woman is approximately 1 cm H2O during expiration. What is the alveolar pressure during inspiration (in cm H2O)?

TLS Online TPP Program

#Question id: 11062

#SCPH28 | Zoology

The alveolar pressure of a normal 77-year-old woman is approximately 1 cm H2O during expiration. What is the alveolar pressure during inspiration (in cm H2O)?