True or false? Blood is red because of the iron in hemoglobin. “Red blood cells” A close-up of red blood cells within a capillary. Over 99 percent of the blood vessels in the body are capillaries, even though they only hold 5 percent of the body’s blood.
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True or false? Blood is red because of the iron in hemoglobin.
True or false? Blood is red because of the iron in hemoglobin. “Red blood cells” A close-up of red blood cells within a capillary. Over 99 percent of the blood vessels in the body are capillaries, even though they only hold 5 percent of the body’s blood. False por·phy·rin Function: noun - PowerPoint PPT Presentation
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True or false?
Blood is red because of the iron in hemoglobin.
“Red blood cells”A close-up of red bloodcells within a capillary.
Over 99 percentof the blood vessels in the
body are capillaries,even though they only hold 5 percent of the body’s blood.
False
por·phy·rinFunction: nounEtymology: from Greek porphyra purple
-any of various compounds with a macrocyclic structure that consists essentially of four pyrrole rings joined by four =CH- groups; especially : one (as chlorophyll or hemoglobin) containing a central metal atom and usually exhibiting biological activity
How to draw a porphyrin:
Protoporphyrin IX
Glycine +Succinyl CoA
the pyrrole ring is formed
HN
R
O
aldehyde
propionic acid
pyrrole
+
N
N
HNNHΔ
R
R
R
R
The Adler synthesis of simple, symmetrically substituted porphyrins:
Meso position
R = phenyl (TPP) toluyl (TTP) p-chlorophenyl (TClPP)