Mammalian sperm will migrate against the direction of the flow—using CatSper calcium channels (like sea urchin sperm) to sense calcium influx and monitor the direction of the current, this process is known as:

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#Question id: 1677

#XL - Q Biochemistry

The Ly49A receptor on NK cells does NOT:

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#Question id: 1678

#XL - Q Biochemistry

What does the MHC class I heavy chain consists of?

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#Question id: 1679

#XL - Q Biochemistry

What is the molecular weight of MHC class II β chain?

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#Question id: 1680

#XL - Q Biochemistry

Where are the MHC class II region genes in the mouse located?

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#Question id: 1681

#XL - Q Biochemistry

What do MHC class III genes encode?

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#Question id: 1682

#XL - Q Biochemistry

Extensive allelic polymorphism is found in MHC: