I've recently learnt about cell membrane transport. One of the questions at the end of the chapter deals with an airborne supervirus being inhaled and asks the specific structure through which the virus entered the cell and the transport mechanism used. Is it safe to assume it wouldn't be through osmosis because osmosis is the diffusion of water? If it's airborne is it safe to assume bulk transport wouldn't be used? I'm left with diffusion or facilitated diffusion. I'm not so sure if it's facilitated diffusion because even though the cell didn't recognize it as harmful I'm not sure it would mistake the virus for something extra that it needs. That leads me to believe the transport mechanism used is diffusion. Am I on the right track?
- Inland Taipan
- Posts: 6832
- Joined: Thu Mar 03, 2005 10:18 pm
- Location: Romania(small and unimportant country)
But for your knowledge, each virus has it's own mechanism.
- Site Admin
- Posts: 974
- Joined: Thu Nov 11, 2004 6:00 am
- Location: Farmville, VA
http://www.humnri.com/Humex/Submission/ ... ophage.jpg
The "feet" of the bacteriophage (shown in the picture) rest on the cell membrane. Then the "legs" have the virus "sit down" to press the Tail Pins into the membrane. Then the bacteriophage injects its genetic material directly into the cytoplasm.
- King Cobra
- Posts: 2668
- Joined: Sat Apr 30, 2005 12:01 pm
- Location: Yogyakarta, Indonesia..
Geordie Boy wrote:I would have said endocytosis in most animal viruses. The cell wraps it in a vesicle and tries to digest it, which releases the virons RNA or DNA
Mostly like that and it's thru the receptors and anti-receptors mechanisms...
A: They have all the solutions.