RNA and Transcription

Front

What is RNA?

Back

RNA (Ribonucleic Acid) is a molecule that plays a crucial role in coding, decoding, regulation, and expression of genes.

Front

What is the primary function of mRNA?

Back

mRNA (messenger RNA) carries the genetic information from DNA to the ribosome, where proteins are synthesized.

Front

What is transcription?

Back

Transcription is the process of copying a segment of DNA into RNA, specifically mRNA.

Front

Where does transcription occur in eukaryotic cells?

Back

Transcription occurs in the nucleus of eukaryotic cells.

Front

What happens to mRNA after it is synthesized?

Back

mRNA leaves the nucleus and enters the cytoplasm for protein synthesis.

Front

What is the role of tRNA in protein synthesis?

Back

tRNA (transfer RNA) brings amino acids to the ribosome during protein synthesis, matching them to the coded mRNA sequence.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains deoxyribose sugar, while RNA is single-stranded and contains ribose sugar.

Front

What is the significance of the promoter region in transcription?

Back

The promoter region is a sequence of DNA that signals the start of transcription and is where RNA polymerase binds.

Front

What is the role of RNA polymerase?

Back

RNA polymerase is the enzyme that synthesizes RNA from the DNA template during transcription.

Front

What are introns and exons?

Back

Introns are non-coding regions of RNA that are removed during RNA processing, while exons are coding regions that remain.