Which of the following could be a nucleotide of RNA?

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.

Tides that occur during the new and full moons