Gradualism is Darwin’s proposition that the differences between even radically different organisms have evolved by small steps through intermediate forms, not by leaps

TLS Online TPP Program

#Id: 7081

#Unit 3. Fundamental Processes

The tRNAAla structural elements recognized by then Ala-tRNA synthetase are unusually simple.  A single G=U base pair 3:70 is the only element needed for specific binding and aminoacylation

TLS Online TPP Program

#Id: 1724

#Unit 4. Cell Communication and Cell Signaling

CD23 binds not only to IgE, but also to the complement receptor CD21.

TLS Online TPP Program

#Id: 6018

#Unit 3. Fundamental Processes

As the transition from G1 to S phase begins, CDK/cyclins recruit cdc45 and the GINS complex to the MCM helicase, which then becomes known as the CMG complex (Cdc45-MCM-GINS)

TLS Online TPP Program

#Id: 7608

#Unit 5. Developmental Biology

Mutations in either Juno or Izumo block fertilization

TLS Online TPP Program

#Id: 6719

#Unit 8. Inheritance Biology