BIOL 251 Quiz 2 (American Public University)

Part 1 of 1 - Part 1 85.0/ 100.0 Points From chapter 18 (18.1-18.6) Question 1 of 20 Which of the following is/are true of the molecule named hemoglobin? A. It contains four folded chains of a protein named globin. B. It functions as the nucleus in all mature erythrocytes. C. It numbers approximately 1 to 2 million in each erythrocyte. D. It can bind to only one molecule of oxygen. E. It is a very simple protein structure. Feedback: Feedback: Good work; your answer is correct! Question 2 of 20 Which of the following is/are important in the process named coagulation? A. Neither an excess number of platelets nor having many too few platelets in the blood stream will cause any serious reaction. B. Coagulation can only occur in the presence of two or three different “clotting factors.”