Antisense morpholinos to eliminate three BMP antagonists (Noggin, Chordin, and Follistatin) in Xenopus. The resulting embryos had catastrophic failure of dorsal development and lacked neural plates and dorsal mesoderm

TLS Online TPP Program

#Id: 10407

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 2093

#Unit 8. Inheritance Biology

Displaced duplication- Duplicated segment is some distance from the original segment. 

TLS Online TPP Program

#Id: 2969

#Unit 3. Fundamental Processes

In yeast,  The origin enters S phase in the condition of a prereplication complex, which contains ORC, Cdc6, Cdt1, and the inactive helicase, the MCM proteins

TLS Online TPP Program

#Id: 3202

#Unit 3. Fundamental Processes

Repair systems recognize DNA sequences that do not conform to standard base pairs.

TLS Online TPP Program

#Id: 4458

#Unit 13. Methods in Biology

Molecules in the metal coating are excited and release secondary electrons that are focused onto a scintillation detector