Create an account
unicellular organisms lacking a nucleus and other membrane-bound organelles; circular DNA
domain of prokaryotic organisms that are biochemically and genetically distinct from bacteria
a group of organisms so similar to one another that they can breed and produce fertile offspring
Super bacterium that survives extreme conditions & also survives 3000x more radiation than humans can.
Ocean dwelling bacterium. Largest bacterium discovered. Can be seen with naked eye.
A structural polysaccharide of cell walls, consisting of glucose monomers joined by b-1, 4-glycosidic linkages.
complex carbohydrate that makes up the cell walls of fungi; also found in the external skeletons of arthropods
large molecules consisting of a lipid and a polysaccharide joined by a covalent bond. Found in the outer membrane of gram-negative bacteria
A condition in which the circulatory system fails to provide sufficient circulation to enable every body part to perform its function; also called
a form of staphylococci that commonly infects wounds and causes serious problems such as toxic shock syndrome or produces food poisoning
a structure that evolves and functions in one environmental context but that can perform additional functions in a new environment
an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections
type of asexual reproduction in which an organism replicates its DNA and divides in half, producing two identical daughter cells
A plasmid that codes for the pilus and other genes needed for DNA
copy and transfer in conjugation; short for "fertility factor."
an organism that uses light energy to generate ATP and produce organic compounds from inorganic substances.
..., organisms that get their carbon directly from the inorganic molecule carbon dioxide
Cells near the surface of the green parts of stems and leaves that contain large numbers of chloroplasts.
an organism that uses Light energy to generate ATP and obtains organic compounds from other organisms.
an organism that uses energy from chemical reactions to generate ATP and produce organic compounds from inorganic substances.
the discipline that uses DNA and other molecular data to determine evolutionary relationships
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together