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TLS Online TPP Program

#Question id: 4969

The snowball Earth hypothesis provides a possible explanation for the

#XL - S Microbiology

  1. diversification of animals during the late Proterozoic.

  2. oxygenation of Earthʹs seas and atmosphere.

  3. colonization of land by plants and fungi.

  4. origin of O2-releasing photosynthesis.

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TLS Online TPP Program

#Question id: 4130

#XL - T Zoology

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

#Question id: 4131

#XL - T Zoology

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

#Question id: 4132

#XL - T Zoology

In E. coli, aminoacyl-tRNA synthetases:
TLS Online TPP Program

#Question id: 4133

#XL - T Zoology

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

#Question id: 4135

#XL - T Zoology

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

#Question id: 4136

#XL - T Zoology

Which of the following is(are) true for protein synthesis in eukaryotes?