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TLS Online TPP Program

#Question id: 1497

In children with retinoblastoma, the chromosomal deletion that is present in all of their cells indicates that the chromosomal aberration:

#Unit 4. Cell Communication and Cell Signaling

  1. arose somatically in retinal cells.

  2. first occurred in the retina, and then spread to other cells.

  3. arose during early embryonic development.

  4. was inherited from a parent.

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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):
TLS Online TPP Program

#Question id: 4135

#Unit 3. Fundamental Processes

In the “activation” of an amino acid for protein synthesis:
TLS Online TPP Program

#Question id: 4136

#Unit 3. Fundamental Processes

Which of the following is(are) true for protein synthesis in eukaryotes?
TLS Online TPP Program

#Question id: 4137

#Unit 3. Fundamental Processes

Formation of the ribosomal initiation complex for bacterial protein synthesis does not require: