Conducting cells constitute tissues of the SA node, the atrial internodal tracts, the AV node, the bundle of His, & the Purkinje system.

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#Id: 1683

#Unit 4. Cell Communication and Cell Signaling

Combinatorial diversity: The same heavy chain can combine with different light chain

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#Id: 1231

#Unit 7. System Physiology – Animal

1α-hydroxylase, converts 25-hydroxycholecalciferol to the active form, 1,25-dihydroxycholecalciferol.

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#Id: 6868

#Unit 3. Fundamental Processes

Methylation of H3K9 demarcates heterochromatin while H3K4 methylation demarcates euchromatin.

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#Id: 10004

#Unit 4. Cell Communication and Cell Signaling

Indian hedgehog is expressed in the gut and cartilage and is important in postnatal bone growth

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#Id: 2526

#Unit 13. Methods in Biology

The PCR involves two oligonucleotide primers, 17–30 nucleotides in length, which flank the DNA sequence that is to be amplified.