Apoptotic cells attract phagocytes by releasing the lipid mediator lysophosphatidic acid, which functions as a chemoattractant

TLS Online TPP Program

#Id: 8368

#XL - Q Biochemistry

Myosin V

Two heads but does not assemble into filaments

Large and processive

Function- Organelle transport

TLS Online TPP Program

#Id: 4312

#XL - T Zoology

Dollo’s law: A biological generalization positing that complex characters, once lost in evolution, are extremely unlikely to reappear and thus the loss of complex characters is virtually always irreversible.

TLS Online TPP Program

#Id: 10721

#XL - R Botany

TLS Online TPP Program

#Id: 10053

#XL - T Zoology

γ-secretase complex contains 

Presenilin 1 (actual protease), aph-1, pen-2, & nicastrin

TLS Online TPP Program

#Id: 9824

#XL - R Botany

Plants that increase stem extension in response to shading are said to exhibit a shade avoidance response.

As shading increases, the R:FR ratio decreases. Shade means far red light