Which of the following statements concerning iron is incorrect?
a. iron is found in the heme portion of the hemoglobin molecule.
b. iron is converted into bilirubin upon erythrocyte degradation.
c. iron readily combines reversibly with O2.
d. diets deficient in iron can lead to anemia.
e. iron is not adequately absorbed from the digestive tracts in pernicious anemia.
B
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Only totipotent stem cells are capable of producing new cells in an adult.
A) True B) False
Answer the following statements true (T) or false (F)
1) Inflammation of the serous membranes of the abdominopelvic cavity is called peritonitis. 2) Inflammation caused by erosion due to gastric reflux is called a peptic ulcer. 3) Blockage of the lower part of the esophagus due to weak peristalsis and malfunction of the lower esophageal sphincter is called esophagitis. 4) Chief cells produce pepsinogen. 5) Parietal cells produce intrinsic factor.
The inverse relationship between pressure and volume is known as
A) Starlings's law. B) Boyle's law. C) Dalton's law. D) Newton's law.
Why it is critical that the peroxisome is a membrane-bounded organelle?
What will be an ideal response?