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Many Scientists Argue That Viruses Are Not Alive Essay

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Gina Arakanchi

“Will we know alien life when we see it?’

Answer the following questions in your OWN words. Do NOT copy from any source.
Submit your completed work to Google classroom AND Turnitin.

BEFORE YOU READ THE ARTICLE
1. If you were informed that NASA had just confirmed the presence of life beyond Earth, what would you imagine that newfound life to look like? I would imagine that the newfound life would like green men with a bumpy textured skin. They would the same face features as human beings and they would wear space suits.

2. If future astronauts encountered a “being” on some distant planet that acted like a robot but not quite, how could they determine if it was “alive” or not? They could determine if it was “alive” or not …show more content…
Scientists said that any type of life must have certain features such as active metabolism, reproduction, and evolution. Also other scientists suggested that each cell would have to contain ribosomes to be able to distinguish alien microbes.

3. What are ribosomes? Cells must have enough space to contain a protein building machine called a ribosome.

4. Why do many scientists argue that viruses are not alive? What is Christoph Adami’s argument for refuting that assessment? Many scientists believe that viruses aren’t alive since they rely on their host to multiply. Christoph Adami claims that viruses live because they transfer DNA to other generations.

5. Why did Kathie Thomas-Keprta and her team think they had found life on a Martian meteorite in 1996? How did other scientists shoot down that claim? Katieee Thomas-Keprta thought they found life on a meteorite because they found large organic compounds in the meteorites that looked similar to Earth. Other scientists argued that the crystals formed during a process where no life was needed.

6. What is desert “varnish” and why does Carol Cleland make the case it could be a marker of life? Desert “vanish” is that there’s a possibility of alien life on Earth. Carol Cleland makes the case because there is dark stains on rocks from dry

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