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TLS Online TPP Program

#Question id: 12234

All of the following have been used by plants to avoid being eaten except

#Unit 10. Ecological Principles
  1. Possessing spines and thorns on stems and leaves.
  2. Synthesis of chemical toxins, such as strychnine, nicotine, and tannins.
  3. Producing chemicals that are distasteful to herbivores, such as cinnamon, cloves, and peppermint. 
  4. Producing tissues that have unappealing colors.
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TLS Online TPP Program

#Question id: 4963

#Unit 11. Evolution and Behavior

Which free-living cells were the earliest contributors to the formation of Earthʹs oxidizing atmosphere?
TLS Online TPP Program

#Question id: 1583

#Unit 4. Cell Communication and Cell Signaling

These cells are involved in cell-mediated immunity and destroy virally infected cells:
TLS Online TPP Program

#Question id: 12233

#Unit 10. Ecological Principles

Monarch butterflies are protected from birds and other predators but the cardiac glycosides they incorporate into their tissues are from eating milkweed when they were in their caterpillar stage of development. The wings of a different species of butterfly, the Viceroy, look nearly identical to the Monarch so predators that have learned not to eat the bad-tasting Monarch avoid Viceroys as well. This example best describes
TLS Online TPP Program

#Question id: 10463

#Unit 6. System Physiology – Plant

LOV1 and LOV2, each binding a chromophore flavin mononucleotide (FMN), which one of the following statements shows incorrect prediction about LOV domains?
TLS Online TPP Program

#Question id: 26510

#Unit 3. Fundamental Processes

What is the location of intron in tRNA