Survival

[Kumar]

Yes.
And your english seems to have suddenly improved.

It can also depend on what you like & follow and what not?

 

[Naddig74]

Language should not be a barrier to knowledge.?

If you don't understand a language well enough to form coherent sentences, then having discussions about biology is going to be beyond you, and clearly is.

Can't human emotions and motives change environment/signals to pathogens & cancer cells, which alter their behaviour accordingly?

No, they can't. This smells suspisciously like it's heading towards a 'think yourself well' woo.

 

[Kumar]

Normal cells? No, they communicate with the body and their surroundings, that os part of their program.

Cancer cells? There is some communication left, but generally their program is into what we call an endless loop. A loop that basically says:

{
  :START
  Reproduce(UNCONDITIONALLY);
  GOTO START;
}

Hans

Thanks. What about changes in their surrounding environment(sorry a repeat)?

 

[Mojo]

Language should not be a barrier to knowledge.

Unfortunately it certainly seems to be a barrier to the transmission of knowledge.

 

[Kumar]

Kumars english skills have always been very context dependent.

Hans

It can be dependant of load, liking, disliking, time etc. I do understand better, whatever I like. You may also.

 

[Kumar]

No, and no. They are not single-celled organisms, they are malfuctioning body cells.

Single celled organisms are also not sentient. They are essentially machines.

Usually, deadly infections succeed because they reproduce fast and are able to spread quickly, but some are out of bounds. Take Tethanus, for example:

It is caused by bacteria that live normally in dirt. When they get indo a living body, they suddenly find themselves at a big, apparantly endless dinner table, and they simply gorge themselves and reproduce like crazy. This makes the host very sick and is usually fatal, but not contagious, so those organisms went into a dead end and are doomed.

Hans

Thanks. Means, they don't come out of body in live state?

 

[Mojo]

This smells suspisciously like it's heading towards a 'think yourself well' woo.

Or maybe "cephalic phase effect".

 

[Kumar]

Kumar, it is not so mysterious. It is really just like other life-forms: They feed, reproduce, and when the food runs out, they move on.

Hans

Do they not move out for their protection, if some danger to their life is there in body?

 

[Kumar]

Indeed. Your attribution of madness and self-destructiveness to them is nothing more than projection.

May be just other words in sense but may not be in technical.

 

[Kumar]

Try looking up the definiton of "pathogen".

Therefore I pointed out , how pathogens can be beneficial.

 

[Kumar]

Actually, not quite. It is an obligate anaerobe, so a healthy body is not on the whole a hospitable place for it. That is why it generally is only able to infect tissues where the blood supply is somewhat compromised. A body that has ceased to breath, on the other hand...

Environmental effect as I thought.

 

[Mojo]

Therefore I pointed out , how pathogens can be beneficial.

Try looking up the definiton of "pathogen".

 

[Kumar]

No.



And no. Parasites only take from the host for their own benefit. Symibiotes provide some benefit for the host in return.

Symbiosis is a close ecological relationship between the individuals of two (or more) different species. Sometimes a symbiotic relationship benefits both species, sometimes one species benefits at the other's expense, and in other cases neither species benefits.

Ecologists use a different term for each type of symbiotic relationship:

Mutualism -- both species benefit
Commensalism -- one species benefits, the other is unaffected
Parasitism -- one species benefits, the other is harmed
Competition -- neither species benefits
Neutralism -- both species are unaffected
http://www.cals.ncsu.edu/course/ent591k/symbiosis.html

Then, do we need to correct above definitions?

 

[MRC_Hans]

Actually, not quite. It is an obligate anaerobe, so a healthy body is not on the whole a hospitable place for it. That is why it generally is only able to infect tissues where the blood supply is somewhat compromised. A body that has ceased to breath, on the other hand...

Yes, I know. Now don't make it complicated for poor Kumar. My point was that it is not really beneficial for the Tethanus species to infect a living creature.

Hans

 

[Kumar]

No. If an environment is hostile, they die. If it isn't they reproduce.

Can't there be any environment in between to these?

 

[MRC_Hans]

Then, do we need to correct above definitions?

There is a continuous line between pure and lethal parsitism and perfect symbiosis. We can name it and catergorize it as we please, but it makes no difference. Each species of organism does what it does for its own sake. A symbiotic relationship is simply one where both species have managed to get a fair trade.

I think the categories you quote are a little useless because more often than not, we are not able to place a given relationship so precisely in a category.

Hans

 

[MRC_Hans]

Can't there be any environment in between to these?

Sure. There can be one where they only just survive. And anything in between.

Hans

 

[Kumar]

If you don't understand a language well enough to form coherent sentences, then having discussions about biology is going to be beyond you, and clearly is.



No, they can't. This smells suspisciously like it's heading towards a 'think yourself well' woo.

Sorry please cooperate.

Should it not be possible that some biochemical changes may occur in human body on human emotions and motives change? If possible, these changes can also reach to pathogens & cancer cells and make them to behave accordingly?

 

[Kumar]

Yes, I know. Now don't make it complicated for poor Kumar. My point was that it is not really beneficial for the Tethanus species to infect a living creature.

Hans

I already read Virluence & Bacterial growth articles on Wikipedia. Look at tags.

 

[biomorph]

Yes thanks for correction & information. I could learn here difference between survival & live long.

Well, I hope perhaps I may shed some small light on the subject at hand for you, after all some species live (to us) very short lives (like perhaps some insects do), and some much longer, (giant redwoods etc).

but they all used that common demoninator, breeding, in order to exist to start with and to continue to exist, as a species..

It is however a more human concept that a long life is a good life. (not too sure what "good" means here but hey, lets move on), and that is undestandable from the human acheivements in promoting life longevity not just for us , the capability of humans to extend (read fix fatal biological problems) other organisms lives, like taking your pet to the vet.

Does your cat want to live longer, and therefore it makes some desicion to go for that vaccination?
Of course not, the human makes that descision, not the cat.

The cat has no real understanding of those type of human, and to the cat, ungraspable abstract (human) concepts.

These cells are quite sacrificing generous to their daughter cells.

From our human perspective it appears so, using human values, and human understanding of giving up life so that others, hey.. even offspring, might live longer.

But the cell themselves can have no real understanding or choice in this, as simply put, that is the difference between humans and cells.

Because if the exisiting ones you can see today survived from host to host, then they lived long enough.

Look at the amazing variety of organisms lifespan lengths on the planet.
Those species obviously bred enough to get this far, and it worked.

(if it didn't , they died out and aren't here)

Right. They are quite far-sighted.

not really, for themselves , to us yes, for them, no, they not only cannot plan, they cannot understand what planning is.....lol

Yes, you made it simple to me and I feel/fing that truth is simple.

goodo, only here to help and all that....

regards