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TLS Online TPP Program

#Question id: 4132

In E. coli, aminoacyl-tRNA synthetases:

#Unit 3. Fundamental Processes

  1. activate amino acids in 12 steps

  2. are amino acid–specific; there is at least one enzyme specific for each amino acid.

  3. fall into two classes, each of which attaches amino acids to different ends of the tRNA.

  4. have no proofreading activities.

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TLS Online TPP Program

#Question id: 11242

#Unit 10. Ecological Principles

A disadvantage of sexual reproduction is
TLS Online TPP Program

#Question id: 11243

#Unit 10. Ecological Principles

Which of the following would be a hermaphrodite?
TLS Online TPP Program

#Question id: 11244

#Unit 10. Ecological Principles

An individual plant that is a monoecious hermaphrodite has
TLS Online TPP Program

#Question id: 11245

#Unit 10. Ecological Principles

Monogamy is most prevalent among ______ and is rare among ________.
TLS Online TPP Program

#Question id: 11246

#Unit 10. Ecological Principles

Which of the following are mechanisms that help prey avoid being eaten by predators?
TLS Online TPP Program

#Question id: 11247

#Unit 10. Ecological Principles

The theoretical maximum population size that can be supported indefinitely in a given habitat is the _____________.