Each heme ring in hemoglobin encloses an atom of

A) magnesium.
B) calcium.
C) iron.
D) sodium.
E) copper.


Answer: C

Anatomy & Physiology

You might also like to view...

Within the olfactory epithelium, which of the following are regenerative stem cells?

A) olfactory bulbs B) olfactory glands C) odorant-binding proteins D) basal cells E) olfactory tracts

Anatomy & Physiology

Which of the following must occur first during hemostasis?

A) thrombolysis B) formation of fibrin C) formation of thrombin D) clot retraction

Anatomy & Physiology

Where is the infraspinatus?

a) E b) F c) G d) H e) I

Anatomy & Physiology

The ____________________ cortex, the site for initial cortical processing of somesthetic and proprioceptive input, is located in the ____________________ lobes

Fill in the blank(s) with correct word

Anatomy & Physiology