Biology Quiz: DNA Transcription and Translation

What is the name of the longest known protein on earth?

• Hemoglobin

• Collagen

• Keratin

• Titin

What is the function of the protein Titin?

• Act as an enzyme

• Break down carbohydrates

• Provide springiness to muscles

• Form hair structure

What is the sequence called that defines where the transcription unit begins?

• TATA box

• Promoter

• Termination signal

• Spliceosome

What is the enzyme that copies the DNA sequence downstream of the TATA box?

• Ribosomal RNA

• RNA polymerase

• Snurps

• Transfer RNA

What is added to the 5' end of the mRNA before it leaves the nucleus?

• Thymine

• Uracil

• Guanine

• Poly-A tail

What is the process called where extra information is cut out of the RNA?

• Transcription

• Replication

• Splicing

• Translation

What is the function of transfer RNA (tRNA) in translation?

• Transcribe DNA to RNA

• Protect mRNA from degradation

• Translate mRNA to protein

• Form hydrogen bonds

What is the primary structure of a polypeptide chain?

• Formation of helix and pleated sheets

• Sequence of amino acids

• Bonds between R groups

• Arrangement of multiple proteins

What gives a polypeptide its tertiary structure?

• Sequence of amino acids

• Formation of helix and pleated sheets

• Bonds between R groups

• Arrangement of multiple proteins

What is the function of enzymes in the body?

• Provide springiness to muscles

• Form hair structure

• Act as structural proteins

• Break down and build biological molecules