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.
Answer:
Lightning can be best described as an electrical discharge, which is caused by the imbalances between the clouds and the storm and the ground or sometime within the cloud. It carries around 20,000 to 30,000 ampere of current when it comes to the ground.
It is not only the direct hit of the lightning that make you worry, but any strike that is close to us can be dangerous to us as it results in the release of huge amount of electricity in the surrounding area.
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Answer:
A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base. The bases used in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T).
Explanation:
