All living things have DNA. That’s the
set of directions that makes them work. Archaea
(formerly Archaebacteria) are alive. So they do
have DNA, but like the bacteria, their DNA is not
in a nucleus. The DNA is not surrounded with a
membrane like it is in the cells of plants,
animals, fungi, algae, and protozoa.
All living things either have cells or are
cells. The Archaea and bacteria are called
prokaryotic because of the lack of a nucleus,
their small size, and the lack of any membrane
besides the main membrane. Other cells are called
eukaryotic. They have nuclei and organelles
(important structures) that are covered with
membranes. They are also larger.
What are some other things that all living
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Thanks for asking,
Yes, archaea have DNA, as do eukaryotes,
bacteria, and a new group I am not aware if it has
a name yet.
All living things have DNA, and some
non-living things like viruses do too.
Archaebacteria in many ways are similar to
bacteria. The main differences are that their
genes and the way they metabolize food are more
closely related to eukaryotes. Every living thing
needs a way to propagate their genetic information
from mother to daughter cell and DNA is the
standard form. DNA is really chemically stable; so
much so that we’ve picked DNA off of cavemen. Some
viruses have RNA instead of DNA as their genetic
material, but RNA is much less stable and is
By the conventional understanding of life,
if you found a system that replicated itself
without DNA or RNA, it would not be considered
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