Protein Synthesis

Front

What is protein synthesis?

Back

Protein synthesis is the process by which cells generate new proteins, involving two main stages: transcription and translation.

Front

What is the role of RNA polymerase in protein synthesis?

Back

RNA polymerase is the enzyme that synthesizes mRNA from a DNA template during the transcription phase of protein synthesis.

Front

Define transcription in the context of protein synthesis.

Back

Transcription is the process of copying a segment of DNA into mRNA, which occurs in the nucleus.

Front

What is translation in protein synthesis?

Back

Translation is the process where the mRNA sequence is decoded to assemble amino acids into a polypeptide chain, occurring in the ribosome.

Front

What is a codon?

Back

A codon is a sequence of three nucleotides on mRNA that specifies a particular amino acid.

Front

What is the function of tRNA in protein synthesis?

Back

tRNA (transfer RNA) transports specific amino acids to the ribosome during translation, matching them to the corresponding codons on the mRNA.

Front

What are the building blocks of proteins?

Back

The building blocks of proteins are amino acids, which are linked together in a specific sequence to form a protein.

Front

How do DNA and RNA differ in structure?

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 start codon?

Back

The start codon (AUG) signals the beginning of translation and codes for the amino acid methionine.

Front

What is the role of ribosomes in protein synthesis?

Back

Ribosomes are the cellular structures where translation occurs, facilitating the assembly of amino acids into polypeptide chains.