The life tag has no wiki summary.
7
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2answers
122 views
Is there life on other planets and if so how frequent?
Some shed tears of joy as the news about the successful landing of the Mars Rover Curiosity came in. Then the most comprehensive 3D map of our observable universe was published. 2012 is literally an ...
5
votes
1answer
63 views
Why aren't organelles considered alive?
I'm taking a 3-week Bio I summer course, and my textbook says the cell is the smallest/basic unit of life. I asked my professor why organelles aren't a living unit, and her reply was that they aren't ...
5
votes
1answer
117 views
Can you consider a human as alive, or is it the cells on the body that are alive?
Sorry if this question seems strange, but in the recent time I have been interested in the question of what life is and how you can define life.
My question:
How long can individual cells live on a ...
2
votes
1answer
72 views
Have there been any experiments that duplicate chromosome copies from 23*2 to 23*3 or 23*4?
Deinococcus radiodurans is an amazing bacterium with a fantastic survival rate. It can survive to high doses of radiation, in a complete vacuum and in hydrochloric acid.
How does this bacterium ...
2
votes
1answer
77 views
Do forever-living organisms exist?
Do organisms exist that are able to live indefinitely if they are not killed by external factors?
Under external factors I would consider things like predators and natural disaster but not illness by ...
0
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1answer
40 views
Plants without bacteria? is it theoretically possible?
I know from school, that all live on the Earth need bacteria as low-level "machines" that break down/extract/convert/produce chemical elements and combinations, other high-level organisms needed. But ...
-2
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0answers
40 views
How is it possible for animated corpses to continue their activity? [closed]
Recently I was watching the documentary series "The Walking Dead" and it occurred to me that it didn't make sense that the walking dead could keep up their activities for such a long period of time, ...
