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TLS Online TPP Program

#Question id: 13178

Turnover of water in temperate lakes during the spring and fall is made possible by which of the following? 

#Unit 10. Ecological Principles
  1. Warm, less dense water layered at the top
  2. Cold, more dense water layered at the bottom
  3. A distinct thermocline between less dense warm water and cold, dense water. 
  4. The density of water changes as seasonal temperatures change.
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TLS Online TPP Program

#Question id: 16475

#Unit 12. Applied Biology

Cultures that facilitate cell-to-cell interactions and signaling among cells and allow their study, are
TLS Online TPP Program

#Question id: 5309

#Unit 11. Evolution and Behavior

A sequence database such as GenBank could be used to carry out which of the following processes? 
TLS Online TPP Program

#Question id: 3471

#Unit 11. Evolution and Behavior

In a altruistic behavior occur between nephew and uncle, which of the following value of cost of donor and benefit of recipient respectively allowed to altruism?
TLS Online TPP Program

#Question id: 3521

#Unit 8. Inheritance Biology

Which of the following is incorrect about independent assortment?
TLS Online TPP Program

#Question id: 344

#Unit 1. Molecules and their Interaction Relevant to Biology

The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called?