/u/ireallyamnotcreative's posts in /r/askscience

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Why do genes only make up ~2% of our DNA? What is the other 98% used for?

4450 upvotes

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How is it possible that mitochondria and chlorosplast evolved extremely similar mechanisms in energy production independent of each other?

1 upvotes

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The cosmic microwave background is ~13.5 billion years old and originated from ~40 billion light years away. Does this mean that the beginning of the universe is 40 billion light years away from us? Is this distance consistent across the universe? Why or why not?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why do genes only make up ~2% of our DNA? What is the other 98% used for?	4450
How is it possible that mitochondria and chlorosplast evolved extremely similar mechanisms in energy production independent of each other?	1
The cosmic microwave background is ~13.5 billion years old and originated from ~40 billion light years away. Does this mean that the beginning of the universe is 40 billion light years away from us? Is this distance consistent across the universe? Why or why not?	1