Question

researchers hypothesize that the first self - replicating molecule may have been __. this is known as the __ world hypothesis. view available hint(s) protein; protein lipid; lipid dna; rna rna; rna

Explanation:

RNA is thought to be the first self - replicating molecule as it can both store genetic information and catalyze chemical reactions. The RNA world hypothesis posits that life on Earth began with a simple RNA molecule that could copy itself without help from other molecules. Proteins, lipids, and DNA are not considered the first self - replicating molecules in this hypothesis.

Answer:

RNA; RNA