Question

proteins are made in ribosomes, but dna is stored in the nucleus. how does rna help in this process? rna copies dna and transports it to ribosomes for protein synthesis. rna changes the dna sequence to create new proteins. rna breaks down dna so that proteins can be formed. rna helps in the replication of dna before protein synthesis.

Explanation:

RNA (messenger - RNA specifically) copies the genetic information from DNA in the nucleus through transcription and transports it to the ribosomes for protein synthesis. This is the central dogma of molecular biology. The other options are incorrect as RNA doesn't change the DNA sequence to create new proteins, doesn't break down DNA for protein formation, and is not mainly involved in DNA replication before protein synthesis.

Answer:

RNA copies DNA and transports it to ribosomes for protein synthesis.