Hemoglobin binds to and has a much higher affinity for carbon monoxide (CO) than for oxygen. CO is colorless and odorless and can be produced in homes heated by natural gas; victims usually do not realize they are being poisoned and often die in their sleep. Describe the likely changes in a CO poisoning victim.
What will be an ideal response?
CO will gradually displace O 2 on hemoglobin molecules. While this increases O 2 unloading in tissues, it will significantly decrease O2 loading in lungs, therefore hypoxia will result. Victims gradually lose consciousness as the brain tissues become hypoxic.
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In the light-adapted state,
A) photoreceptors are much more sensitive to stimulation. B) photoreceptors are much less sensitive to stimulation. C) we can only see color, and not black and white. D) we would see better in the dark. E) colors are dull.
What are clusters of sensory neuron somas found outside of the CNS called?
A. Anterior horns B. Posterior horns C. Anterior root swellings D. Ganglia E. Nuclei
Describe the transport of glucose out of an intestinal cell and into the blood
What will be an ideal response?
Myosin is considered to be a regulatory protein because it plays an important role in the regulation of muscle contraction
Indicate whether the statement is true or false