Animalscaretips
Archaea are a domain of single-celled microorganisms. They have no cell nucleus or any other organelles inside their cells.
- Do archaebacteria and eubacteria have a nucleus?
- Do archaebacteria have nuclear membrane?
- Is archaebacteria a prokaryote or eukaryote?
- Is archaebacteria and eubacteria unicellular or multicellular?
- What type of cell wall does archaebacteria have?
- What are characteristics of archaebacteria?
- How are archaebacteria similar to eukaryotes?
- Do prokaryotes have a nucleus?
- What are three types of environments in which archaebacteria are found?
- Is archaebacteria terrestrial or aquatic?
- How do archaebacteria get energy?
- How do archaebacteria reproduce?
- What is one difference between eubacteria and Archaebacteria?
- Do protists have a nucleus?
Do archaebacteria and eubacteria have a nucleus?
Both eubacterial and archaeal cells lack a nucleus and other membrane-bound organelles.
Do archaebacteria have nuclear membrane?
Inhabitants of domain Archaea are more closely related to eukaryotic cells than they are to bacteria. Whereas both bacteria and archaea lack a nuclear envelope and membrane-bound organelles, archaea and eukaryotes have similarities beyond those seen between bacteria and eukaryotic cells.
Is archaebacteria a prokaryote or eukaryote?
The archaebacteria are a group of prokaryotes which seem as distinct from the true bacteria (eubacteria) as they are from eukaryotes.
Is archaebacteria and eubacteria unicellular or multicellular?
Like archaebacteria, eubacteria are complex and single celled. Most bacteria are in the EUBACTERIA kingdom. They are the kinds found everywhere and are the ones people are most familiar with. Eubacteria are classified in their own kingdom because their chemical makeup is different.
What type of cell wall does archaebacteria have?
Like other living organisms, archaea have a semi-rigid cell wall that protects them from the environment. The cell wall of archaea is composed of S-layers and lack peptidoglycan molecules with the exception of methanobacteria who have pseudopeptidoglycan in their cell wall.
What are characteristics of archaebacteria?
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 ...
How are archaebacteria similar to eukaryotes?
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.
Do prokaryotes have a nucleus?
Prokaryotes are organisms whose cells lack a nucleus and other organelles. ... Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm.
What are three types of environments in which archaebacteria are found?
Archaea are microorganisms that define the limits of life on Earth. They were originally discovered and described in extreme environments, such as hydrothermal vents and terrestrial hot springs. They were also found in a diverse range of highly saline, acidic, and anaerobic environments.
Is archaebacteria terrestrial or aquatic?
The archaea may be aquatic or terrestrial microorganisms. They exhibit a diversity of shapes, including spherical, rodlike, and spiral forms. In addition, archaea can survive in various extreme conditions, including very hot or salty environments.
How do archaebacteria get energy?
(1983) have reported that several extremely thermophilic archaebacteria can live with carbon dioxide as their sole carbon source, obtaining energy from the oxidation of hydrogen by sulfur, producing hydrogen sulfide (H2S). They are thus capable of a new type of anaerobic metabolism, a possibly primeval mode of life.
How do archaebacteria reproduce?
Archaea reproduce asexually by binary or multiple fission, fragmentation, or budding; meiosis does not occur, so if a species of archaea exists in more than one form, all have the same genetic material.
What is one difference between eubacteria and Archaebacteria?
Hint: Archaebacteria are called ancient bacteria whereas eubacteria are called true bacteria. Unlike eubacteria, archaebacteria can survive in extreme conditions. Complete answer: ... Archaebacteria are usually found in extreme conditions whereas eubacteria are found everywhere on the surface of Earth.
Do protists have a nucleus?
Protists are a diverse collection of organisms. While exceptions exist, they are primarily microscopic and unicellular, or made up of a single cell. The cells of protists are highly organized with a nucleus and specialized cellular machinery called organelles.
