Answer:
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Explanation:
Archaebacteria can live on the Antarctic ice.
<h3>Eubacteria and archaebacteria</h3>
Archaea (archeobacteria) are prokaryotic organisms and differ from bacteria mainly in that their cell walls do not contain peptidoglycans.
Generally, these organisms have characteristics that not only allow them to survive in these environments, but also seem to improve in extreme environments. Thus, they are called extremophiles.
Learn more about Archeobacteria in brainly.com/question/395069
Answer:
The answer to your question is C. All of the fossils show similar structures to that of the modern horse.
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Answer:
A) The 5 trp genes (TrpA - TrpE) are not transcribed.
Explanation:
- The regulation of trp operon is controlled by the concentration of tryptophan, such that <em><u>presence of adequate tryptophan in the growth medium, triggers the turn off of the transcription process as tryptophan biosynthesis is not necessary. Therefore; The 5 trp genes (TrpA - TrpE) are not transcribed.</u></em>
- At low concentration of tryptophan, the transcription process is turned on to produce more tryptophan. Th us the 5 trp genes (TrpA - TrpE) will be transcribed.
