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Oxygen binding of single red blood cells of the annelid bloodwormGlycera dibranchiata

✍ Scribed by Mangum, C. P. ;Colacino, J. M. ;Vandergon, T. L.

Publisher: John Wiley and Sons
Year: 1989
Tongue: English
Weight: 512 KB
Volume: 249
Category: Article
ISSN: 0022-104X
DOI: 10.1002/jez.1402490205

No coin nor oath required. For personal study only.

✦ Synopsis

The red blood cells of the annelid bloodworm Glycera dibranchiata contain two structurally and functionally distinct assemblages of hemoglobin. In the present sample the monomer comprised 57% and the polymer 43% of the total amount. The O2 affinities of the two differ by a factor of about two. Therefore, if the two assemblages occur in different cells, one would expect a bimodal distribution of P,, values for single RBCs and, if they coexist in the same cell, one would expect a monomodal distribution. The distribution is clearly monomodal, indicating no anatomical separation of mono-and polymeric hemoglobins.

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