Atrial repolarization is not seen on a normal ECG because it is “buried” in the QRS complex.

TLS Online TPP Program

#Id: 2376

#Unit 5. Developmental Biology

Regulation of the balance between Wnt and Notum signals underlie not only head-tail specification but also regulation of organ size.

 

TLS Online TPP Program

#Id: 10445

#Unit 4. Cell Communication and Cell Signaling

A typical tumor contain 5000 SNVs, 500 Indels, and 

50 SVs

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#Id: 2542

#Unit 13. Methods in Biology

The partially hybridized primers may become extended by the DNA polymerase and are amplified; sometimes this may monopolize the PCR .

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#Id: 3361

#Unit 3. Fundamental Processes

Photoreactivation; Ultraviolet irradiation causes formation of thymine dimers. Upon exposure to light, DNA photolyase breaks the ring formed between the dimers to restore the two thymine residues.

TLS Online TPP Program

#Id: 1763

#Unit 4. Cell Communication and Cell Signaling

Peripheral tolerance, which renders some self-reactive lymphocytes in secondary lymphoid tissues inactive and generates others that actively inhibit immune responses against self