Origins of life Flashcards
1
Q
What is LUCA?
A
Last common ancestor
2
Q
Is LUCA the first organism that lived on Earth?
A
No, it would not be similar to the first organism on Earth therefore it doesn’t help in the origins of life
3
Q
Where did life form?
A
ALL OVER EARTH
some reactions need
- High pH
- Low pH
- High temperature
- Low temperature
4
Q
Which came first DNA replication or cell metabolism?
A
We don’t know as both need each other. Most likely replication as ribozymes could have been used for replications however other reactions needed for it to be self-sustaining.
5
Q
What are microbial mats?
A
Finely layered structures which have lots of organisms with different metabolic pathways.
