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TLS Online TPP Program

#Question id: 1106

Protein kinase is an enzyme that functions in which of the following ways?

#Unit 4. Cell Communication and Cell Signaling

  1. as a second messenger molecule

  2. as a receptor for various signal molecules

  3. activates or inactivates other proteins by adding a phosphate group to them

  4. activates a G protein

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TLS Online TPP Program

#Question id: 17803

#Unit 9. Diversity of Life Forms

Mitotic activity by the apical meristem of a root makes which of the following more possible? 
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? 
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: 17672

#Unit 9. Diversity of Life Forms

Protection from desiccation
TLS Online TPP Program

#Question id: 17671

#Unit 9. Diversity of Life Forms

Protection from predators 
TLS Online TPP Program

#Question id: 17670

#Unit 9. Diversity of Life Forms

The following are common to both charophytes and land plants except