The metal atom bound to the heme group of hemoglobin is
A. iron.
B. copper.
C. manganese.
D. zinc.
E. sodium.
A. iron.
You might also like to view...
During stressful situations, epinephrine initiates all of the following actions except:a
constriction of the blood vessels to the skin. b. constriction of the blood vessels to the heart. c. dilation of the blood vessels to the brain. d. an increase in metabolic rate. e. an increase in blood glucose levels.
Long protein strands that form a web that traps blood cells and platelets to form a clot are called ________
Fill in the blank(s) with correct word
At what point in the cell cycle does DNA replication take place?
A) before mitosis B) during cytokinesis C) continually throughout the cell cycle D) during mitosis
Which correctly represents the sequence of steps involved to convey sensory information to the CNS?
A. Neurotransmitter release and ion flow through the synaptic cleft B. Stimulation and ion flow through the synaptic cleft C. Neurotransmitter release and interpretation D. Stimulation, transmission, and neurotransmitter release E. Stimulation, transduction, transmission, and interpretation