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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

#Section 6: Plant, Animal and Microbial Biotechnology
  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: 2117

#Section 2: General Biology

Which of the following statements correctly describes osmosis?
TLS Online TPP Program

#Question id: 60

#Section 2: General Biology

Which of the following is true for the reaction?

3H2 + N2   2NH3
TLS Online TPP Program

#Question id: 1088

#Section 3: Genetics, Cellular and Molecular Biology

One of the major categories of receptors in the plasma membrane functions by forming dimers, adding phosphate groups, and then activating relay proteins. Which type does this?
TLS Online TPP Program

#Question id: 2121

#Section 2: General Biology

Which of the following membrane activities requires energy from ATP hydrolysis?
TLS Online TPP Program

#Question id: 13071

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Modifications of the agglutination reaction involve the use of ________particles, which allow the reaction to be observed more easily in the liquid phase