Astudent measured the amount of oxygen and carbon dioxide dissolved in an aquarium containing aquatic plants and snails. why did the snail die after the aquarium was kept in the dark for 10 hours?

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.

This is the process of making a prediction based on the results of prior observations of similar events.

Some substances but not other can cross the (blank) membrane of a cell