Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 31663
TLS Online TPP Program

#Question id: 4948

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 

#Unit 11. Evolution and Behavior

  1. RNA was the first hereditary information.

  2. protobionts had an RNA membrane.

  3. RNA could make energy.

  4. free nucleotides would not have been necessary ingredients in the synthesis of new RNA molecules.

More Questions
TLS Online TPP Program

#Question id: 9248

#Unit 9. Diversity of Life Forms

Which of the following is a consequence of biological magnification?
TLS Online TPP Program

#Question id: 9249

#Unit 9. Diversity of Life Forms

Which of the following strategies would most rapidly increase the genetic diversity of a population in an extinction vortex?
TLS Online TPP Program

#Question id: 9250

#Unit 9. Diversity of Life Forms

Of the following statements about protected areas that have been established to preserve biodiversity, which one is not correct?
TLS Online TPP Program

#Question id: 9251

#Unit 9. Diversity of Life Forms

Which of the following is responsible for the differences in summer and winter temperature stratification of deep temperate zone lakes?
TLS Online TPP Program

#Question id: 9252

#Unit 9. Diversity of Life Forms

Which of these environmental factor(s) is/are the key determining factor(s) that control(s) the biotic structure of aquatic biomes?
TLS Online TPP Program

#Question id: 9255

#Unit 9. Diversity of Life Forms

Studying species transplants is a way that ecologists ________.