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Bacteria are called prokaryotes because a bacterium cell lacks a nucleus. The DNA is found as loops in discrete sites in the cytoplasm, rather than in a nucleus.
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Which sequence correctly represents the evolution of life on earth?
Prokaryotes -> Cyanobacteria -> Eukaryotes -> Multicellular organisms Prokaryotes -> Multicellular organisms -> Eukaryotes -> Cyanobacteria Cyanobacteria -> Prokaryotes -> Eukaryotes -> Multicellular organisms The correct sequence is option 1: Prokaryotes -> Cyanobacteria -> Eukaryotes -> Multicellular organisms. These groups represent a general order of the evolution of life on Earth, starting with simple prokaryotic organisms and culminating in more complex multicellular organisms.
Is cyanobacteria Eukaryotic or Prokaryotic?
Prokaryote
What is the difference between archaebacteria and cyanobacteria?
Archaebacteria are ancient prokaryotic organisms that can survive in extreme environments, while cyanobacteria are photosynthetic prokaryotes that produce oxygen as a byproduct of photosynthesis. Archaebacteria are more closely related to eukaryotes, while cyanobacteria are responsible for the oxygenation of Earth's early atmosphere.
Are chloroplasts found in prokaryotes?
No, chloroplasts are not found in prokaryotes. Chloroplasts are organelles found in plant cells and some protists, and they are believed to have originated from ancient symbiotic cyanobacteria that were engulfed by a eukaryotic cell. Prokaryotes, such as bacteria, do not have chloroplasts.
What are three groups that prokaryotes are divided into?
Obligate aerobes, which are organisms that require oxygen, Obligate anaerobes, which are organisms that require an oxygen-free environment, and facultive anaerobes, for which it doesn't matter if there is oxygen, and it can survive in both states.
Do cyanobacterium had a nucleus?
No. Cyanobacteria are prokaryotes, and as such do not have a nucleus.
What are simplest organisms?
Prokaryotes, like bacteria and cyanobacteria.
Which sequence correctly represents the evolution of life on earth?
Prokaryotes -> Cyanobacteria -> Eukaryotes -> Multicellular organisms Prokaryotes -> Multicellular organisms -> Eukaryotes -> Cyanobacteria Cyanobacteria -> Prokaryotes -> Eukaryotes -> Multicellular organisms The correct sequence is option 1: Prokaryotes -> Cyanobacteria -> Eukaryotes -> Multicellular organisms. These groups represent a general order of the evolution of life on Earth, starting with simple prokaryotic organisms and culminating in more complex multicellular organisms.
What living things carry out photosynthesis?
Plants, Algae, and some Prokaryotes can also carry out photosynthesis. Prokaryotes such as Cyanobacteria.
Is cyanobacteria a prokaryote or eukaryote?
Cyanobacteria are prokaryotes. They lack a membrane-bound nucleus and other organelles commonly found in eukaryotic cells.
Given that prokaryotes lack membrane-bound organelles why do cyanobacteria which are prokaryotes possess membrane-bound thylakoids?
Cyanobacteria were formerly known as blue-green algae which are photosynthetic. Thylakoids in the cyanobacteria are not separate organelles as we see in eukaryotic cell (eg:chloroplast). In fact the chloroplasts of eukaryotic cells were originated in a endosymbiotic event where cyanobacteria was taken up by the cell. Please read about enodsymbiosis.
Is cyanobacteria Eukaryotic or Prokaryotic?
Prokaryote
Are fungi prokayote?
If you meant to say "prokaryote" or "prokaryotic", then NO. Prokaryotes belong to Monera, or the bacteria - cyanobacteria. Fungi are mono- and dikaryotic.
Prokaryotes are either single celled or made up of many cells?
Prokaryotes are typically single-celled organisms, although there are some multicellular prokaryotes like cyanobacteria. Multicellularity in prokaryotes is usually achieved through cells sticking together, as they lack specialized structures like tissues and organs.
How is nitrogen made accessible to the plant?
By mutualistic symbiotic relationships with nitrogen-fixing organisms, which can be prokaryotes, like cyanobacteria, or mycorrhizal fungi.
Is a eukaryote a bacteria plant or protozoa?
All bacteria, including cyanobacteria and archybacteria are prokaryotes. All other types of organisms are eukaryotes.
Two groups of prokaryotes that make their own food from inorganic molecules are?
Two groups of prokaryotes that make their own food from inorganic molecules are cyanobacteria and certain types of archaea. Cyanobacteria perform photosynthesis to produce energy from sunlight, while some archaea use processes like chemosynthesis to derive energy from inorganic compounds.
