The porphyrin ring of heme contains an atom of

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


E) iron.

Anatomy & Physiology

You might also like to view...

What is the name of the structure indicated by the arrow in the following illustration?

A) central lobe of thyroid gland B) pyramidal lobe of thyroid gland C) isthmus of thyroid gland D) upper parathyroid gland E) thyroid fistula

Anatomy & Physiology

The veterinary medical record should always contain the animal's ________________, which is a description of the animal

Fill in the blank(s) with correct word

Anatomy & Physiology

The biceps brachii and triceps brachii in the upper arm

A. depend upon activity to determine antagonism or synergism. B. are synergistic. C. are antagonistic.

Anatomy & Physiology

Each of the following structures is associated with the sphenoid bone except the

A) foramen ovale. B) optic canals. C) pterygoid processes. D) sella turcica. E) cribriform plate.

Anatomy & Physiology