Cytotoxic T Cells target tumor cells

Most tumor cells, express MHC class I molecules on their surface, cytotoxic T cells can directly recognize them. 

cytotoxic T cells can result in killing of the tumor cells by two different mechanisms

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#Unit 5. Developmental Biology

Dictyostelium has evolved developmentally regulated systems of cell-cell adhesion that are necessary for the morphogenesis of individual cells into a coherent organism

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#Unit 8. Inheritance Biology

Two point test cross mapping

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#Unit 2. Cellular Organization

Lysosome an interior pH of about 4.5–5.0

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#Unit 2. Cellular Organization

S phase cyclin-CDK accumulates in late G1 , they are immediately inactivated by binding of a CKI called Sic1

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#Unit 6. System Physiology – Plant

Typically, a CAM plant loses 50 to 100 g of water for every gram of CO2 gained, compared with values of 250 to 300 g and 400 to 500 g for C4 and C3 plants Thus, CAM plants have a competitive advantage in dry environments.