Reconstructing the Tree of Life (3/2) Flashcards
1
Q
Why use the DNA sequences for ribosomal RNA?
A
ribosomes are common to all cells
2
Q
Who was Carl Woese? What was his contribution to science?
A
- microbiologist and biophysicist
- figured out the most conserved genetic code lay in the 16S structure of ribosomal RNA for prokaryotes and 18S in eukaryotes
3
Q
Three Domains of Life
A
- ) Bacteria
- ) Archaea
- ) Eukarya
4
Q
Extremophiles
A
archaea that are capable of living in extreme conditions
5
Q
Which group (domain) constitutes the most biomass?
A
Single-celled life! (aka prokaryotes)
