Prokaryotic organisms are evolutionary older organisms that are normally single-celled. Examples of these organisms include bacteria and archae. Prokaryotes do not have membrane-bound organelles but do contain ribosomes, DNA, cytoplasm, and cell membranes. ...
Operons are commonly found in prokaryotic organisms (e.g., bacteria) and some eukaryotes (e.g., Caenorhabditis elegans) [1,2]. The “on” or “off” switch for operon expression is an important adaptation as it allows cells to respond to environmental changes actively and efficiently. The ...
Which cellular structure is unique to prokaryotic organisms? What is the name given to cell division in prokaryotes? What is gene regulation in prokaryotes? What is the main difference between a cell nucleus and a nucleoid? What is the difference between ribosomes and ribosomal DNA?
In an operon that is under positive repressible control, what would be the effect on gene expression if the gene that codes for the regulatory protein is changed so that the regulatory protein no longer binds DNA? A) the operon would always be off B) the Why does a genetic abnormality a...
Why is protein synthesis important to living organisms? Why is it important for DNA polymerase to proofread? Why is primase not needed in PCR? Why was the discovery of DNA structure so important? How are recombinat DNAs introduced into bacterial cells?
Finally, the unexpected finding of a homodimeric Type I RC-containing species of Chloroflexota [74], in which only Type II RCs had previously been described, represents a unique evolutionary transition that substantially alters current views of the diversity of photosynthetic organisms. Funding This...
This is the case for the maturation pathways of FeS enzymes, which are essential to most cellular organisms (Figure 2). In a given prokaryote, these pathways can be encoded by up to three operons called SUF, ISC, or NIF. While FeS enzymes have an absolute requirement for FeS maturation ...