Cell-Mediated Immunity against Virus

Both CD8+ TC cells and CD4+ TH1 cells are required components of the cell-mediated antiviral defense.

Activated TH1 cells produce IL-2, IFN-ϒ, and tumor necrosis factor-α.

TLS Online TPP Program

#Id: 98

#Unit 5. Developmental Biology

In conditional specification the array of interactions it has with its neighbors, which may include: 

cell-to-cell contacts (juxtacrine factors)

secreted signals (paracrine factors)

physical properties of its local environment (mechanical stress)

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#Id: 2260

#Unit 11. Evolution and Behavior

Balance natural selection- Each morph has selective advantage with equal intensity.

TLS Online TPP Program

#Id: 5748

#Unit 10. Ecological Principles

Ecocline is a zone of gradual but continuous change from one ecosystem to another when there is no sharp boundary between the two in terms of species composition.

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#Id: 7791

#Unit 2. Cellular Organization

The mechanism for the import of cytoplasmic cargo proteins mediated by a nuclear transport receptor known as importin.

TLS Online TPP Program

#Id: 9305

#Unit 4. Cell Communication and Cell Signaling

Absorption of light causes rapid photoisomerization of the bound cis-retinal to the all-trans isomer, triggering a conformational change in opsin that activate the Gαt.