Which is the present geological era

Cenozoic era

Explanation:

The geological time scale consists of three eons: Archaean, Proterozoic and Phanerozoic. The Phanerozoic eon is divided into three era which are namely: Paleozoic, Mesozoic and Cenozoic era. Cenozoic era extends from “end-Cretaceous extinction” to the present day. It is dominated by mammals and is also called as the “age of mammals”.

before it leaves the nucleus of a eukaryotic cell, mrna is altered in the following ways: - a cap is added to the 5' end of the mrna molecule; - a poly a tail is added to the 3' end; - introns are removed and exons are spliced together.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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