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TLS Online TPP Program

#Question id: 2104

Peripheral membrane proteins:

#Unit 2. Cellular Organization

  1. are generally noncovalently bound to membrane lipids.

  2. are usually denatured when released from membranes.

  3. can be released from membranes only by treatment with detergent(s).

  4. may have functional units on both sides of the membrane.

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TLS Online TPP Program

#Question id: 4129

#Unit 3. Fundamental Processes

Which of the following statements about the tRNA that normally accepts phenylalanine is false?  (mRNA codons for phenylalanine are UUU and UUC.)
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: 4132

#Unit 3. Fundamental Processes

In E. coli, aminoacyl-tRNA synthetases:
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):