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

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#Id: 2926

#Unit 3. Fundamental Processes

As the origins are hemimethylated they bind to the cell membrane and may be unavailable to methylases. 

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#Id: 7415

#Unit 5. Developmental Biology

The homologue of TGF-β in Drosophila is Dpp.

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#Id: 8159

#Unit 2. Cellular Organization

KDEL receptor, located mainly in the cis-Golgi network and in both COPII and COPI vesicles, binds proteins bearing the KDEL sorting signal and returns them to the ER

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#Id: 4684

#Unit 13. Methods in Biology

Bromodeoxyuridine-Based Assays for Cell Division Use Antibodies to Detect Newly Synthesized DNA

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#Id: 6590

#Unit 7. System Physiology – Animal

Follicle-stimulating hormone, secreted by the anterior pituitary gland, stimulates the Sertoli cells; stimulates, the process of spermiogenesis