Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 55477
TLS Online TPP Program

#Question id: 15525

In the instructive model, TCR/CD4 and TCR/CD8 coengagement generates unique signals, if a thymocyte randomly generated a TCR with an affinity for MHC Class I. which thymocyte would bind with MHC class I?

#Unit 4. Cell Communication and Cell Signaling
  1. Only CD8 would bind MHC class I
  2. TCR and CD4 would bind MHC Class I together
  3. TCR and CD8 would bind MHC Class I together
  4. TCR and CD4 would bind MHC Class II together
More Questions
TLS Online TPP Program

#Question id: 11296

#Unit 10. Ecological Principles

Which of the following statements is true?
TLS Online TPP Program

#Question id: 1084

#Unit 4. Cell Communication and Cell Signaling

Which observation suggested to Sutherland the involvement of a second messenger in epinephrine's effect on liver cells?
TLS Online TPP Program

#Question id: 391

#Unit 1. Molecules and their Interaction Relevant to Biology

In a hospital laboratory, a 10.0 mL sample of gastric juice, obtained several hours after a meal, was titrated with 0.1 M NaOH to neutrality; 7.2 mL of NaOH was required. The patient’s stomach contained no ingested food or drink, thus assume that no buffers were present. What was the pH of the gastric juice?
TLS Online TPP Program

#Question id: 18382

#Unit 12. Applied Biology

Which bacterial enzyme has been transferred to Arabidopsis thaliana which can absorb mercury, and it reduces to volatile Hg from the leaf surface. 
TLS Online TPP Program

#Question id: 4365

#Unit 3. Fundamental Processes

Which of the following methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria?