Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 10867
TLS Online TPP Program

#Question id: 1119

Phosphorylation cascades involving a series of protein kinases are useful for cellular signal transduction because they:

#Section 3: Genetics, Cellular and Molecular Biology

  1. are species specific

  2. always lead to the same cellular response

  3. amplify the original signal many times

  4. counter the harmful effects of phosphatases

More Questions
TLS Online TPP Program

#Question id: 2064

#Section 3: Genetics, Cellular and Molecular Biology

What kinds of molecules pass through a cell membrane most easily?
TLS Online TPP Program

#Question id: 2064

#Section 2: General Biology

What kinds of molecules pass through a cell membrane most easily?
TLS Online TPP Program

#Question id: 2065

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following are least likely to diffuse through the phospholipid bilayer of a cell membrane?
TLS Online TPP Program

#Question id: 2065

#Section 2: General Biology

Which of the following are least likely to diffuse through the phospholipid bilayer of a cell membrane?
TLS Online TPP Program

#Question id: 2066

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?
TLS Online TPP Program

#Question id: 2066

#Section 2: General Biology

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?