Deck 2 Flashcards
(5 cards)
Bdbf hfh dn dh fh
Cud dud fur he dhf if
BBC dhf be fbc
Bd iDVD didn’t
Bdbfh hdhdvbf dh dbchbfhfbdbfcb
Hdb hdb Hb c
Hdhdvbf dhf
Bcbcbcb
There are ~280 million Hb molecules in one RBC. A single Hb molecule carries ___ molecule(s) of O2, which means that a single RBC carries about ___ O2 molecules. a. 1; 280 million b. 8; 2 billion c. 2; 1 million d. 4; 1 billion
Why is it important that when iron binds to oxygen that this is a temporary and reversible interaction? a. because the hemoglobin can then be fully saturated b. because the oxygen needs to dissociate into tissues c. because RBCs consume some of the oxygen they carry d. because carbon dioxide binds to the iron molecule simultaneously