Answer:
C. RNA polymerases.
Explanation:
Bacteria has a primitive type of RNA polymerase while archaeal RNA ploymerase is more advanced and complex than that of bacterial. The structure of archaeal RNA ploymerase has more resemblance with RNA polymerase II of eukaryotes. The RNA polymerase of bacteria requires sigma factor for transcription initiation whereas the RNA ploymerase of archaea requires transcription factors for transcription initiation just like eukaryotes.
The structures of prokaryotic and eukaryotic cells affects their function as prokaryotic cell has simpler structure that enables it to perform all the basic life processes but complex functions like multicellularity cannot be achieved by prokaryotes. Eukaryotic cells have complex structures and hence can perform several functions unlike the prokaryotes.
Prokaryotic cell is the primitive type of cell that do not posses a true nucleus. They also do not contain any cell organelles. The ribosome type present in prokaryotes is 70S.
Eukaryotic cell is the advanced cell that possesses a true nucleus and all the cell organelles like mitochondria, chloroplast, golgi body, etc. Eukaryotic cells can even form multicellular structures and perform sexual reproduction, unlike prokaryotic cell.
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Causes of a DNA mutations by environmental factors such as ultraviolet radiation from the sun or can occur if an error is made as DNA copies itself during cell division
Answer:
oxygen comes from tiny ocean plants called phytoplankton that live near the water's surface and drift with the currents.
