Which of the following is required as a cofactor for hemoglobin synthesis?
A) manganese
B) phosphorus
C) zinc
D) copper
E) None of the answers is correct.
Answer: D
You might also like to view...
Antiviral drugs act by.
A) interfering with cell wall development. B) decreasing cell membrane permeability. C) destroying new, immature viral particles. D) reducing the rate of viral replication.
The pharyngotympanic (auditory) tube connects the ________ to the nasopharynx
A) external ear B) internal ear C) middle ear D) tympanic membrane (eardrum)
The figure illustrates keratinization in the epidermis. What layer of the epidermis is "B"?
A. stratum corneum B. stratum spinosum C. stratum granulosum D. stratum basale E. stratum lucidum
Most of the O2 in the blood is transported as ________.
A. carbonic anhydrase B. dissolved O2 in the plasma C. bicarbonate ions D. oxyhemoglobin