Viruses do not contradict the idea that all living things are made of cells because:?
B. Viruses are made of cells.
C. Viruses aren't considered to be alive because they depend on a host cell for energy and reproduction.
D. Viruses are only part of a cell and anything less than an entire cell cannot be alive.
E. Viruses are too simple to be considered alive.
Answer:
C
c
F. All of the above
C
definitely C, but do take that with a grain of salt.
Kulin Kid, while I agree with why you decided to state D, the wording that "Viruses are part of a cell" seems to invalidate that answer.
You remember college classes, they always are trying to sneak little indiscrepancies in to trick you.
the reason i said take C with a grain of salt, is because viruses still follow the Central Dogma of Biology, which would suggest that they are in fact alive, but i suspect for ease of teaching and comprehending the material of lower level biology class, they are generally not considered to be.
Its seems they wait until half way through genetics class to tell you," oh yeah, by the way...viruses are alive", setting you up for Virology classes.
My experience with this situation was quite funny. while taking the two courses of Cell/Molecular Biology and Genetics with the same instructor in the same semester, He would tell us in Cell bio that "for all intents and purposes, for this class viruses aren't considered alive, " then in Genetics he described how they are in respects to the Central Dogma of Biology. Of course I was the only one taking Genetics and its prereq with the same instructor at the same time.
The biologists' standard answer is D. They lack the capacity to self-reproduce coz they dont have the all the features of a 'proper' cell.
Though I studied Biology, I disagree with the premise that an organism has to have all it's own 'bits' to be considered "life" . Science often fails to see the whole coz it's so focussed on the bits. ..
This ties into the work of ecodesigners - we can make a new living system that integrates 'living' organisms with 'non-living' components to create a product/system (even a building) that is alive.
An example is our Sunroom - it's alive .
http://www.theecopractice.net/oceanmelod...
im pretty sure its C, D would be my next choice. theyre organic molecules that are only active and show signs of life when they are hijacking a host cell. JJ had a good answer though
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