Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1161
TLS Online TPP Program

#Question id: 1186

Which of the following explains why Ras is activated quickly by RTKs?

#Unit 4. Cell Communication and Cell Signaling

  1. RTKs phosphorylate Ras.

  2. Ras changes conformation upon ligand binding to prepare for activation.

  3. Ras binds phosphotyrosine residues on RTKs.

  4. Ras is maintained at the plasma membrane through a lipid-mediated attachment.

More Questions
TLS Online TPP Program

#Question id: 28533

#Unit 5. Developmental Biology

the shoot apical meristem is precisely controlled by intercellular signals known as___ 
TLS Online TPP Program

#Question id: 28534

#Unit 5. Developmental Biology

 Which of the following genes limit the number of undifferentiated meristem cells?
TLS Online TPP Program

#Question id: 28535

#Unit 5. Developmental Biology

meristem-promoting gene known as__
TLS Online TPP Program

#Question id: 28536

#Unit 5. Developmental Biology

which of the following gene that positively regulate WUS (meristem-promoting gene)?
TLS Online TPP Program

#Question id: 28537

#Unit 5. Developmental Biology

 Which gene encodes a leucine-rich repeat receptor kinase (LRRK)?
TLS Online TPP Program

#Question id: 28538

#Unit 5. Developmental Biology

A type of transmembrane protein whose intracellular kinase activity is activated by binding of specific ligands to the extracellular leucine rich receptor domain, known as___