|
|
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
![The experimental approach used by Masui and Markert to identify cyclin and cyclin-dependent kinase (](https://biology-forums.com/gallery/47/medium_33_25_06_11_10_10_31.jpeg)
![An example of color blindness test. A person with red-green color blindness would not be able to dis](https://biology-forums.com/gallery/47/medium_14755_27_08_12_12_28_10_82021889.jpeg)