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TLS Online TPP Program

#Question id: 9181

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

#Unit 9. Diversity of Life Forms
  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 changes in the density of water as seasonal temperatures change
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TLS Online TPP Program

#Question id: 5768

#Unit 8. Inheritance Biology

Exposure to gamma radiation leads to severe damage to DNA.  The bacterium Deinococcus radiodurans is able to survive exposure to levels of gamma radiation that would kill any other known organism.  This organism is able to survive because
TLS Online TPP Program

#Question id: 1704

#Unit 4. Cell Communication and Cell Signaling

The single best unique description of the interaction of the αβ T-cell receptor with peptide-MHC is that it:
TLS Online TPP Program

#Question id: 4150

#Unit 3. Fundamental Processes

Posttranslational glycosylation of proteins is inhibited specifically by:
TLS Online TPP Program

#Question id: 7047

#Unit 5. Developmental Biology

Regression phase of the hair follicle regeneration cycle called as-
TLS Online TPP Program

#Question id: 5042

#Unit 5. Developmental Biology

Which one of the following set of Yamanaka factors can be used to regained the pluripotency of somatic cells in mammals?