Which of the following is true of rna compared to dna?
a. it lacks phosphate groups.
b. it is a single-stranded molecule.
c. its nucleotides do not have sugars.
d. it contains four different nucleotides.

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

What was the land like over 500 million years ago? what was under the sea?

A3 year-old is brought to the burn unit after pulling a pot of hot soup off the stove and spilling it on herself. she sustained 18% second degree burns on her legs and 20% third degree burns on her chest and arms. total body surface area burned is 38%. what icd-10-cm codes are reported for the burns (do not include external cause codes for the accident)?