Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 2010
TLS Online TPP Program

#Question id: 2035

The single best defining description of the classical pathway of complement activation is:

#Unit 4. Cell Communication and Cell Signaling

  1. It utilizes complement component C1r

  2. It produces a C5 convertase

  3. In generates the membrane attack complex (MAC)

  4. It results in the splitting of C3 into C3a and C3b

More Questions
TLS Online TPP Program

#Question id: 1481

#Unit 4. Cell Communication and Cell Signaling

XIAP, one member of a family of inhibitor of apoptosis proteins (IAPs), provides another way to restrain both initiator and effector caspases. XIAP has three N-terminal BIR domains; the one termed BIR2 binds to and inhibits:
TLS Online TPP Program

#Question id: 15886

#Unit 12. Applied Biology

Separation of a single bacterial colony is called___
TLS Online TPP Program

#Question id: 23103

#Unit 2. Cellular Organization

What is 1st level of compaction while making/packaging the nucleosome  
TLS Online TPP Program

#Question id: 19121

#Unit 8. Inheritance Biology

Trisomy 18 is one of the most common trisomies observed in human populations. You prepare DNA samples from two unrelated infants, both with trisomy 18, and from their parents. You then type the infants and their parents for four SSRs distributed along chromosome 18:
 

                                              
In which parent did nondisjunction occur in Family 2?
TLS Online TPP Program

#Question id: 28429

#Unit 5. Developmental Biology

At which stage the primitive streak cells form a third layer that lies between the hypoblast and epiblast cells?