Protein Synthesis Review

Front

What is the function of ribosomes in a cell?

Back

Ribosomes are the organelles where protein synthesis occurs, translating messenger RNA (mRNA) into polypeptide chains.

Front

Where does transcription take place in a cell?

Back

Transcription occurs in the nucleus, where DNA is located.

Front

What is the role of mRNA in protein synthesis?

Back

mRNA (messenger RNA) carries the genetic information from DNA to the ribosome, where it serves as a template for protein synthesis.

Front

What is the difference between transcription and translation?

Back

Transcription is the process of copying DNA into mRNA, while translation is the process of decoding mRNA to synthesize proteins.

Front

Why can't DNA leave the nucleus?

Back

DNA is too large and complex to exit the nucleus; instead, mRNA is synthesized to carry the genetic information out.

Front

What is the role of tRNA in protein synthesis?

Back

tRNA (transfer RNA) brings the appropriate amino acids to the ribosome during translation, matching them to the codons on the mRNA.

Front

What is the significance of the ribosome's structure?

Back

The ribosome's structure allows it to facilitate the binding of mRNA and tRNA, ensuring accurate translation of the genetic code into proteins.

Front

What is the process of translation?

Back

Translation is the process where ribosomes read the sequence of mRNA and assemble amino acids into a polypeptide chain to form a protein.

Front

What is the role of RNA polymerase in transcription?

Back

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

Front

What are codons?

Back

Codons are sequences of three nucleotides on mRNA that correspond to specific amino acids or stop signals during protein synthesis.