DNA Transcription and Translation-Crash Course #11

What is the nickname given to the longest known protein on Earth?

• Myosin

• Actin

• Titin

• Collagen

Which enzyme initiates the transcription of DNA into mRNA?

• Ligase

• DNA polymerase

• RNA polymerase

• Helicase

What does the TATA box signify in the DNA strand?

• End of a gene

• None of the above

• Attachment site for lipids

• Start of a gene

What is added to the 5' end of mRNA during processing?

• Poly-A tail

• 5' cap

• Adenine base

• Uracil base

What is the role of the poly-A tail in mRNA?

• Acts as a primer for DNA synthesis

• Signals the start of transcription

• Protects mRNA from degradation

• Initiates replication

What is the function of tRNA during translation?

• To splice exons

• To carry amino acids

• To replicate DNA

• To degrade mRNA

What does an anticodon pair with during translation?

• DNA polymerase

• mRNA codon

• Amino acid

• RNA polymerase

Which structure describes the sequence of amino acids in a protein?

• Primary structure

• Secondary structure

• Tertiary structure

• Quaternary structure

What type of bond is primarily involved in forming the secondary structure of proteins?

• Peptide bonds

• Ionic bonds

• Covalent bonds

• Hydrogen bonds

Which of the following is not a function of enzymes?

• Protein synthesis

• DNA replication

• Carbohydrate replication

• Lipid digestion