Hemoglobin is an iron-containing protein found in the blood of nearly all vertebrates and many invertebrates. It transports oxygen from the lungs or gills of an animal to the tissues. Four polypeptide chains, each wrapped in a specific way around its own heme group, make up the hemoglobin molecule.
Correction Appended. Alger Hiss, the erudite diplomat and Harvard-trained government lawyer who was convicted of perjury in an espionage case that became one of the great riddles of the Cold War, died yesterday at Lenox Hill Hospital in New York City. He was 92 and lived in Manhattan.
Sen. Cotton: Emails on Clintonâs Private Server Discussed Scientist Executed by Iran. TEHRAN, Iran (TheBlaze/AP) -- Discussions about the nuclear scientist reportedly executed by Iran for treason were found in emails on Hillary Clinton's private server, Sen. Tom Cotton (R-Ark.) revealed on Sunday. I'm not going to comment on what he may or may not have done for...