Search found 7 matches
Search found 7 matches • Page 1 of 1
- Sun Nov 06, 2011 1:40 pm
- Forum: Evolution
- Topic: Evolution of the nervous system
- Replies: 14
- Views: 12638
For vertebrates the spinal column and the skull provides great protection from damage. Thinking in evolutionary terms, why does some nerves by-pass this protective system and travel outside of the spinal cord and its protective spinal column? When a human gets burned on the finger, the nerves in the...
- Sat Oct 15, 2011 3:52 pm
- Forum: Human Biology
- Topic: How radioactive iodine causes cancer
- Replies: 2
- Views: 2874
Hello! Is this text correct? If you find an error, please explain it. Thank you in advance! The nuclear accident releases radioactive iodine-131 into the atmosphere, which spreads through wind and rain. Through the rain, the soil absorbs iodine and mushrooms absorb radioactive iodine by active trans...
A father has mitochondrial disease and some of his children inherit the disease. Mitochondrial disease is passed from mother to offspring. How can the father be passing on the mitochondrial disease? The father may possess a recessive gene and show no symptoms of the disease. He may be able to pass o...
- Wed Sep 21, 2011 4:36 pm
- Forum: Cell Biology
- Topic: Strength of anesthetic drugs
- Replies: 2
- Views: 4431
1) The strength of anesthetic drugs are roughly proportional to their ability to dissolve into lipid (fat). This is also true for different alcohols. 2) In the 1950s it was pointed out a correlation that the larger the volume of the anesthetic molecule the stronger the effect. The cell membrane can ...