Answer:
Hemoglobin is an iron-containing protein present in the blood that functions for transportation of oxygen to different body cells..
Each hemoglobin molecule have tetrahedral structure consist of four heme groups surrounded by a globin group. Heme, is composed of porphyrin (ringlike organic structure) which is attched to an iron atom. There are four iron atoms in each molecule of hemoglobin that binds with four oxygen atoms and globin carry two linked pair of polypeptide chain.
The oxygen reversibly binds with the polypeptide chain and the process called oxygenation.
Chicken nuggets and fries
Answer:
lung cancer. i hope this helps
Hello!
your answer is A. How much energy is used to make one paper bag?
the word "should" is a giveaway of B, C, and D being questions for personal opinions. everyone has different views on what SHOULD be, so if you asked 100 people, chances are you'd get many different answers.
A can only have one possible answer.
(I don't know the answer to how much energy is used to make one paper bag so let's just leave it at that, shall we?)
I hope this helps, and have a nice day!