Answer:
Sigma factors bind to the promoter region of a particular gene and facilitating the binding of RNA Polymerase to the promoter region (formation of the RNA polymerase holoenzyme complex) in order initiate transcription of the gene.
Put simply - Helps RNA Polymerase do it's job.
B) Oxygen may not have been able to accumulate in the atmosphere
The answer is A
The air circulated in a clockwise direction in the northern hemisphere
Both of the cells are eukaryotic, both have:
Cell Membrane
Nucleus
Endoplasmic reticulum
Mitochondria
Lysosome
Golgi Apparatus
Peroxisomes
Cytosol
Cytoskeleton
Vocules
And that it's my notebook contain these only
:D
Sea anemone's stomach serves as a "circulatory system" because it is a <span> gastrovacular system.</span>
