Question 1
Prokaryotic genomes generally contain:
◦ nearly 100% nonrepetitive DNA.
◦ over 90% repetitive DNA.
◦ mostly nonrepetitive DNA with about 20% moderately repetitive DNA.
◦ mostly moderately or highly repetitive DNA with about 20% nonrepetitive DNA.
◦ about equal amounts of moderately repetitive and nonrepetitive DNA.
Question 2
The closest known relative of mitochondria among bacteria is:
◦
E. coli.
◦
Rickettsia.
◦
Bacillus.
◦
Salmonella.
◦
Cyanobacteria.