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TLS Online TPP Program

#Question id: 11471

Hair cells in the vertebrate ear are responsible for transducing sound pressure waves. Ion channels in the hair cell membrane open when ________.

#SCPH28 | Zoology

  1. a chemical ligand binds to the ion channel

  2. light is absorbed by a molecule in the membrane

  3. the cell membrane reaches a threshold voltage

  4. the membrane is distorted mechanically
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TLS Online TPP Program

#Question id: 19658

#SCPH05 I Biotechnology

Which of the following is the right name for the compound H3C-CHCl2?
TLS Online TPP Program

#Question id: 19659

#SCPH05 I Biotechnology

What is the catalyst in the chloroalkane reaction of a primary alcohol with HCl?
TLS Online TPP Program

#Question id: 19660

#SCPH05 I Biotechnology

When ethanol combines with PCl5, it produces three products: chloroethane, hydrochloric acid, and ______. What is the third item on the list?
TLS Online TPP Program

#Question id: 19661

#SCPH05 I Biotechnology

Which of the following substances has the highest melting point?
TLS Online TPP Program

#Question id: 19662

#SCPH05 I Biotechnology

Which sequence should isomeric dichlorobenzenes be boiled in?
TLS Online TPP Program

#Question id: 19663

#SCPH05 I Biotechnology

Which of the following statements about the interaction between C2H4 and Cl2 in CCl4 is incorrect?