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TLS Online TPP Program

#Question id: 31060

Active MAP kinase phosphorylates Raf on multiple sites, results: 

#Unit 4. Cell Communication and Cell Signaling
  1. Increasing its association with Ras
  2. Reducing its association with Ras
  3. Reducing its association with MEK
  4. Increasing its association with MEK
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TLS Online TPP Program

#Question id: 17669

#Unit 9. Diversity of Life Forms

Use the letters A-D to label where on the phylogenetic tree each of the following derived characters appeared. 
TLS Online TPP Program

#Question id: 17670

#Unit 9. Diversity of Life Forms

The following are common to both charophytes and land plants except 
TLS Online TPP Program

#Question id: 17671

#Unit 9. Diversity of Life Forms

Protection from predators 
TLS Online TPP Program

#Question id: 17672

#Unit 9. Diversity of Life Forms

Protection from desiccation
TLS Online TPP Program

#Question id: 17673

#Unit 9. Diversity of Life Forms

transport of water, minerals, and nutrients 
TLS Online TPP Program

#Question id: 17802

#Unit 9. Diversity of Life Forms

Which of the following was not a challenge for survival of the first land plants?