Origin of Life Flashcards
1
Q
What are Algae classified as?
A
Photosynthetic eukaryotes (they are polyphyletic).
2
Q
What 4 molecules were used to create amino acids in the Miller-Urey experiment?
A
Water, Hydrogen, Methane, Ammonia.
3
Q
Where is the LUCA thought to have lived?
A
In Alkaline Hydrothermal vents.
4
Q
What kind of organism is the LUCA thought to be?
A
A methanogen.
5
Q
What are the three hypothesis for the origin of viruses?
A
- RNA world. 2. Evolved from organismal genes. 3. Evolved from cells that became reduced.
6
Q
How are plant viruses mostly spread?
A
Mostly via insects.
7
Q
How do viruses spread through plant tissue?
A
Through the plasmodesmata.
