In 2nd pathway, sperm with intact acrosomes become bound to ZP3, which causes the acrosome reaction, and the sperm binding is then transferred to ZP2

TLS Online TPP Program

#Id: 9921

#Unit 4. Cell Communication and Cell Signaling

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: 6764

#Unit 3. Fundamental Processes

The rate of mRNA deadenylation varies inversely with the frequency of translation initiation for an mRNA:  the higher the frequency of initiation, the slower the rate of deadenylation.

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#Id: 8647

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 10189

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 4689

#Unit 11. Evolution and Behavior

When the fitness interests of two individuals are different, they are in conflict.

The evolution of cooperation and conflict depends on when these kinds of behaviors are favored by natural selection.