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TLS Online TPP Program

#Question id: 11127

As the receptor potential rises higher above threshold, which of the following best characterizes the new frequency of action potentials?

#Unit 7. System Physiology – Animal
  1. Decrease
  2. Increase
  3. Remain unchanged
  4. Increase only when the receptor potential increases to twice the level of threshold
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TLS Online TPP Program

#Question id: 4128

#Unit 3. Fundamental Processes

Which of the following statements about tRNA molecules is false?
TLS Online TPP Program

#Question id: 4130

#Unit 3. Fundamental Processes

Which of the following is not true of tRNA molecules?
TLS Online TPP Program

#Question id: 4131

#Unit 3. Fundamental Processes

Aminoacyl-tRNA synthetases (amino acid activating enzymes):
TLS Online TPP Program

#Question id: 4133

#Unit 3. Fundamental Processes

Which of the following statements about aminoacyl-tRNA synthetases is false?
TLS Online TPP Program

#Question id: 4134

#Unit 3. Fundamental Processes

The enzyme that attaches an amino acid to a tRNA (aminoacyl-tRNA synthetase):
TLS Online TPP Program

#Question id: 4135

#Unit 3. Fundamental Processes

In the “activation” of an amino acid for protein synthesis: