Question

show what you know: protein synthesis (graded minor
what is the role of dna in protein formation?
dna tells amino acids how to line up and form specific protein shapes.
dna creates proteins directly without any involvement of amino acids
dna provides the instructions for creating rna, which then makes proteins
dna is responsible for building ribosomes that produce proteins

Explanation:

To determine the role of DNA in protein formation, we analyze each option:

• Option 1: Amino acids are lined up by RNA (specifically mRNA and tRNA) during translation, not directly by DNA. So this is incorrect.
• Option 2: Proteins are made of amino acids, and DNA does not create proteins directly. This is wrong.
• Option 3: DNA undergoes transcription to produce RNA (mRNA), which then undergoes translation to make proteins. This matches the central dogma of molecular biology.
• Option 4: Ribosomes are made of rRNA and proteins, and DNA is not responsible for building ribosomes. This is incorrect.

Answer:

C. DNA provides the instructions for creating RNA, which then makes proteins.