Aa
How long does the virus live and on what
Well that says it all. I would like ot know how long does the virus live and on what does it live and what does it not live..
appreciate your help.
appreciate your help.
Whenever we write or speak we use words and language and so semantics might be used any time as an excuse for inexact or incorrect language. Your language suggested something that argues with scientific research. Viruses do not breed in the sense that the word "breed" is universally understood and accepted - they replicate, as you later acknowledged. Viruses do not send out their babies because, remember, they replicate so they don't have babies. The issue of whether viruses are alive is a very complex and interesting one and metaphors about critters or bambinos or cells/houses really don't elucidate the issue.
".....But what about a seed? A seed might not
be considered alive. Yet it has a potential for life, and it may be
destroyed. In this regard, viruses resemble seeds more than they
do live cells. They have a certain potential, which can be snuffed
out, but they do not attain the more autonomous state of life.
Another way to think about life is as an emergent property of
a collection of certain nonliving things. Both life and consciousness
are examples of emergent complex systems. They each
require a critical level of complexity or interaction to achieve
their respective states. A neuron by itself, or even in a network
of nerves, is not conscious—whole brain complexity is needed.
Yet even an intact human brain can be biologically alive but
incapable of consciousness, or “brain-dead.” Similarly, neither
cellular nor viral individual genes or proteins are by themselves
alive. The enucleated cell is akin to the state of being brain dead,
in that it lacks a full critical complexity. A virus, too, fails
to reach a critical complexity. So life itself is an emergent, complex
state, but it is made from the same fundamental, physical
building blocks that constitute a virus. Approached from this
perspective, viruses, though not fully alive, may be thought of
as being more than inert matter: they verge on life....
Because viruses occupy a netherworld between life
and non-life, they can pull off some remarkable feats.
Consider, for instance, that although viruses ordinarily
replicate only in living cells, they also have the capacity to
multiply, or “grow,” in dead cells and even to bring them back to
life. Amazingly, some viruses can even spring back
to their “borrowed life” after being destroyed.
A cell that has had its nuclear DNA destroyed
is dead: the cell lacks the genetic instructions for
making necessary proteins and for reproduction.
But a virus may take advantage of the cellular
machinery in the remaining cytoplasm to replicate.
That is, it can induce the machinery to use the
virus’s genes as a guide to assembling viral
proteins and replicating the viral genome. This
capacity of viruses to grow in a dead host is most
apparent in their unicellular hosts, many of which
live in the oceans.
From: Are Viruses Alive?
BY LUIS P. VILLARREAL
http://www.uvm.edu/~biology/Classes/011/alive.pdf
Mike
".....But what about a seed? A seed might not
be considered alive. Yet it has a potential for life, and it may be
destroyed. In this regard, viruses resemble seeds more than they
do live cells. They have a certain potential, which can be snuffed
out, but they do not attain the more autonomous state of life.
Another way to think about life is as an emergent property of
a collection of certain nonliving things. Both life and consciousness
are examples of emergent complex systems. They each
require a critical level of complexity or interaction to achieve
their respective states. A neuron by itself, or even in a network
of nerves, is not conscious—whole brain complexity is needed.
Yet even an intact human brain can be biologically alive but
incapable of consciousness, or “brain-dead.” Similarly, neither
cellular nor viral individual genes or proteins are by themselves
alive. The enucleated cell is akin to the state of being brain dead,
in that it lacks a full critical complexity. A virus, too, fails
to reach a critical complexity. So life itself is an emergent, complex
state, but it is made from the same fundamental, physical
building blocks that constitute a virus. Approached from this
perspective, viruses, though not fully alive, may be thought of
as being more than inert matter: they verge on life....
Because viruses occupy a netherworld between life
and non-life, they can pull off some remarkable feats.
Consider, for instance, that although viruses ordinarily
replicate only in living cells, they also have the capacity to
multiply, or “grow,” in dead cells and even to bring them back to
life. Amazingly, some viruses can even spring back
to their “borrowed life” after being destroyed.
A cell that has had its nuclear DNA destroyed
is dead: the cell lacks the genetic instructions for
making necessary proteins and for reproduction.
But a virus may take advantage of the cellular
machinery in the remaining cytoplasm to replicate.
That is, it can induce the machinery to use the
virus’s genes as a guide to assembling viral
proteins and replicating the viral genome. This
capacity of viruses to grow in a dead host is most
apparent in their unicellular hosts, many of which
live in the oceans.
From: Are Viruses Alive?
BY LUIS P. VILLARREAL
http://www.uvm.edu/~biology/Classes/011/alive.pdf
Mike
maybe this is a symantical issue. It enters the cell, it then obtains the energy within the cell to replicate, in this perfect environment. after it reproduces it sends it's new babies out to live in other houses (cells). How does this differ from any critter in nature? they find the right den/cave or leaf to curl up in, or soil/moisture conditions, and then they absorb while in that environment all the right energy and signals to take their shells off and make some bambinos...who they they send out into the world. every animal/insect and plant looks for the right conditions and enough food supply for their young, before deciding this is breeding ground. what's the big problem with assigning similar behaviors in the microbial world?
I mean, just because HCV is not as sophisticated as say a one celled amoeba comlete with gyroscopic propellers is not to say it doesn't get around, and continue to multiply it's species.
Just because we don't see "an inny and an outty hard at it" doesn't mean they don't breed. perhaps they breed while in the blood stream all floating along together and exchange some genetic material there...then enter the cells, unvail and lay out their new baby strands....it still sounds like doin'the nasty to me!!!!!!! :))))))))))))
I mean, just because HCV is not as sophisticated as say a one celled amoeba comlete with gyroscopic propellers is not to say it doesn't get around, and continue to multiply it's species.
Just because we don't see "an inny and an outty hard at it" doesn't mean they don't breed. perhaps they breed while in the blood stream all floating along together and exchange some genetic material there...then enter the cells, unvail and lay out their new baby strands....it still sounds like doin'the nasty to me!!!!!!! :))))))))))))
From:http://www.organtransplants.org/understanding/myths/
Questions and Myths About Organ and
Tissue Donation
There are numerous questions people have about organ and tissue donation and transplantation. What follows are a few of the most commonly asked questions.
What is the age limit for organ and tissue donation?
Potential to donate, regardless of age, will be determined at the time of death. People in their 80s have donated vital organs that have been successfully transplanted. No matter what your age is be sure to inform family members of your decision to be a donor.
If I have a serious health problem, can I still donate?
The important thing to remember is that your potential to donate will be determined at the time of death. There are few medical illnesses that absolutely rule people out for organ donation. Medical criteria for tissue donation are stricter since most tissue transplants are considered life enhancing as opposed to life saving. Even if you have had a serious health problem like diabetes, high blood pressure, heart disease, certain types of cancer, or even hepatitis you may still be able to donate at the time of death.
Questions and Myths About Organ and
Tissue Donation
There are numerous questions people have about organ and tissue donation and transplantation. What follows are a few of the most commonly asked questions.
What is the age limit for organ and tissue donation?
Potential to donate, regardless of age, will be determined at the time of death. People in their 80s have donated vital organs that have been successfully transplanted. No matter what your age is be sure to inform family members of your decision to be a donor.
If I have a serious health problem, can I still donate?
The important thing to remember is that your potential to donate will be determined at the time of death. There are few medical illnesses that absolutely rule people out for organ donation. Medical criteria for tissue donation are stricter since most tissue transplants are considered life enhancing as opposed to life saving. Even if you have had a serious health problem like diabetes, high blood pressure, heart disease, certain types of cancer, or even hepatitis you may still be able to donate at the time of death.
sorry darling, it does not eat, nor does it breed jm
"it's alive!!! it's alive!!!!!!!!!! " as Boris would say.........(frankenstein)
it's eats, it breeds, but it's not alive....uh huh.............and my mommy was a turnip and made me.
virus is unknown millennia old....a symbiotic, it needs us for food to grow and breed.
HCV aka hepatitis C is not borne in the saliva tears or mucosa, but could possible survive a while in a blood soaked unsterililized surface or item. This rate of survival is dependant on moisture/ heat/sterilazation or lack thereof. If you have to clean up blood products always take every precaution, gloves etc. and sterilize the surfaces affected.
If you have Hep c keep your blood products and toothbrushes away from others, remove the donor status from your driver's license.
hope that helps.
it's eats, it breeds, but it's not alive....uh huh.............and my mommy was a turnip and made me.
virus is unknown millennia old....a symbiotic, it needs us for food to grow and breed.
HCV aka hepatitis C is not borne in the saliva tears or mucosa, but could possible survive a while in a blood soaked unsterililized surface or item. This rate of survival is dependant on moisture/ heat/sterilazation or lack thereof. If you have to clean up blood products always take every precaution, gloves etc. and sterilize the surfaces affected.
If you have Hep c keep your blood products and toothbrushes away from others, remove the donor status from your driver's license.
hope that helps.
Good to know I am being F'd over by a dead thing. By your definition my brain is dead as well.
The virus does not live! The cells do not reproduce but rather replicate or copy themselves. They invade living cells such as those of the liver.
mike
mike
thx
Recent studies suggest that HCV may survive on environmental surfaces at room temperature at least 16 hours, but no longer than 4 days.
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