A possible answer is: Bacteria contain peptidoglycan in the cell wall; archaea do not . The cell membrane in bacteria is a lipid bilayer; in archaea, it can be a lipid bilayer or a monolayer. Bacteria contain fatty acids on the cell membrane, whereas archaea contain phytanyl.
What is the difference between archaea and bacteria quizlet?
Archaea have more complex RNA polymerases than Bacteria , similar to Eucarya. Unlike bacteria, archaea cell walls do not contain peptidoglycan. Archaea have different membrane lipid bonding from bacteria and eukarya.
What is the main difference between bacteria and archaea?
Similar to bacteria, archaea do not have interior membranes but both have a cell wall and use flagella to swim. Archaea differ in the fact that their cell wall does not contain peptidoglycan and cell membrane uses ether linked lipids as opposed to ester linked lipids in bacteria .
What makes bacteria different from archaea and eukaryotes?
Bacteria: cells do not contain a nucleus. Archaea: cells do not contain a nucleus; they have a different cell wall from bacteria. Eukarya: cells do contain a nucleus.
What are two major differences between bacteria and archaea?
Responses will vary. A possible answer is: Bacteria contain peptidoglycan in the cell wall; archaea do not . The cell membrane in bacteria is a lipid bilayer; in archaea, it can be a lipid bilayer or a monolayer. Bacteria contain fatty acids on the cell membrane, whereas archaea contain phytanyl.
What are the three differences between archaea and bacteria?
Differences between bacteria and archaea include the presence of peptidoglycan in bacteria’s cell walls, differing numbers of ribosomal RNA polymerases, archaea’s adaptability to extreme conditions , and bacteria’s aversion to antibiotics.
What are the similarities and differences between bacteria and archaea quizlet?
Bacteria have a unique compound called peptidoglycan in cell walls. Archaea have unique phospholipids in their plasma membrane and hydrocarbon tails that contain isoprene.
Why archaea and bacteria are classified separately?
Archaea have genes that are similar to both bacteria and eukaryotes . ... Archaea differ from bacteria in cell wall composition and differ from both bacteria and eukaryotes in membrane composition and rRNA type. These differences are substantial enough to warrant that archaea have a separate domain.
What is unique about archaea quizlet?
Archaea are organisms that have many unique molecular traits. Archaea are prokaryotes , but their cell walls are chemically different from those of bacteria. Some olecules in archaea are similar to molecules in eukaryotes. Some molecules in archaea are not found in other living things.
What came first archaea or bacteria?
The first prokaryotes were adapted to the extreme conditions of early earth. It has been proposed that archaea evolved from gram-positive bacteria as a response to antibiotic selection pressures. Microbial mats and stromatolites represent some of the earliest prokaryotic formations that have been found.
What do archaea bacteria and Eukarya have in common?
Both can carry out asexual reproduction . Translation and transcription that occurs in Archaea is similar to that that occurs in Eukaryota (the one in bacteria is unique). DNA replication in Archaea is similar to that in Eukarya.
The defining feature that sets eukaryotic cells apart from prokaryotic cells (Bacteria and Archaea) is that they have membrane-bound organelles, especially the nucleus , which contains the genetic material, and is enclosed by the nuclear envelope.
What are 5 characteristics of Archaea?
The common characteristics of Archaebacteria known to date are these: (1) the presence of characteristic tRNAs and ribosomal RNAs ; (2) the absence of peptidoglycan cell walls, with in many cases, replacement by a largely proteinaceous coat; (3) the occurrence of ether linked lipids built from phytanyl chains and (4) in ...
What are the major features of the bacteria and archaea?
What are the major features of the Bacteria and Archaea? The Bacteria and Archaea are collectively a paraphyletic group. The cells have and outer cell wall lined inside by plasma membrane that encloses cytoplasmic contents , including DNA, ribosomes, and a myriad of enzymes that function in chemical reactions.
Is bacteria the same as a virus?
On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.
What do bacteria and archaea have in common quizlet?
Bacteria, archaea and Eukarya all have the same common ancestor . ... Cell walls in gram-positive bacteria have extensive peptidoglycan. Cell walls in gram-negative bacteria have some peptidoglycan and an outer membrane.
