Which part of the hemoglobin molecule directly interacts with oxygen?

a. globin
b. the sodium ion
c. the porphyrin
d. the iron ion


Answer: d. the iron ion

Anatomy & Physiology

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Agatha's blastocyst implanted on December 5th. She is trying to figure out which date fertilization most likely occurred on. Which is the most likely date of fertilization?

A. December 5th B. December 1st C. November 25th D. November 5th E. December 4th

Anatomy & Physiology

When water mixtures are formed, the components are chemically altered and the new molecular bonds can be separated only by chemical means.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

When blood is centrifuged and its components separate, the bottom of the tube holds the

A. plasma. B. platelets. C. erythrocytes. D. monocytes. E. buffy coat. F. electrolytes and waste products.

Anatomy & Physiology

Which of the panels in the figure shows a movement called lateral flexion?

a) B b) F c) G d) D e) C

Anatomy & Physiology