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TLS Online TPP Program

#Question id: 8927

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that

#Unit 9. Diversity of Life Forms
  1. arthropods have had more time to co-evolve with land plants than have vertebrates.
  2. extant terrestrial arthropods are better adapted to terrestrial life than are extant terrestrial vertebrates.
  3. ancestral arthropods must have been poorly adapted to aquatic life, thus experienced a selective pressure to invade land.
  4. vertebrates evolved from arthropods.
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TLS Online TPP Program

#Question id: 31289

#Unit 5. Developmental Biology

In the absence of a signal from Toll protein, cactus is;
TLS Online TPP Program

#Question id: 169

#Unit 1. Molecules and their Interaction Relevant to Biology

 An octapeptide composed of four repeating glycylalanyl units has:
TLS Online TPP Program

#Question id: 29109

#Unit 8. Inheritance Biology

If the probability of being blood types are;
Blood type A = 1/4
Blood type B = 3/4
Blood type O = 1/2
what is the probability of being either blood-type A  or blood-type B ?
TLS Online TPP Program

#Question id: 1720

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of lymphocytes?
TLS Online TPP Program

#Question id: 12268

#Unit 7. System Physiology – Animal

 A 40-year-old woman is placed on a high-potassium diet for several weeks. Which of the following hormonal changes is most likely to occur?