Describe transcription and translation in prokaryotes and eukaryotes in terms of the locations of each
process in the cell, the templates used for each process, and the products of each process.
What will be an ideal response?
In prokaryotes, both transcription and translation occur in the cytoplasm. In eukaryotes, transcription
occurs in the nucleus and translation occurs in the cytoplasm. In both prokaryotes and eukaryotes,
DNA is used as a template for transcription to produce an mRNA product, and the mRNA product is
used as a template for translation to produce a protein product.
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Prions consist of proteins and have no apparent nucleic acid genome.
Answer the following statement true (T) or false (F)
Photolyases are present in all cells except in:
A. bacteria. B. archaea. C. humans. D. yeast. E. both C and D.
Assaying bacterial isolates for resistance genes by molecular methods:
a. can detect unknown resistance genes not yet defined. b. cannot detect phenotypic resistance due to a combination of mechanisms. c. means the resistance gene is expressed if found to be present. d. is currently part of the routine clinical mi-crobiology workflow for all isolates.
A bacterium is found that can photosynthesize in the presence of light but uses hydrogen sulfide and releases elemental sulfur as a bi-product. This organism can best be classified as a
A. chemolithoautotroph. B. chemoheterotroph. C. photoautotroph. D. photoheterotroph. E. pathogen.