here are the structures i hope it helps
Answer:
primary, secondary, tertiary, and quaternary.
Answer:
.66666666667
6 continues to repeat.
fraction can be reduced to 2/3
Use calculator or write out long hand
Prokaryotic cells lack a defined nucleus, but have a region in the cell, termed the nucleoid, in which a single chromosomal, circular, double-stranded DNA molecule is located.