In rna, which base replaces thymine? a) cytosine b) guanine c) adenine d) uracil

What two fields of study provide the core information that is used to classify organisms?

Compare the composition of the moon's surface with the composition of the earth's surface.

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl