Transcription

Multiple Choice

Which of the following best describes the significance of DNA transcription in genetics?

• It allows genetic information to be copied into mRNA for protein synthesis.

• It repairs damaged DNA sequences.

• It increases the number of chromosomes in a cell.

• It prevents mutations from occurring.

Multiple Choice

Which of the following is NOT a function of non-coding DNA?

• Coding for polypeptides

• Producing ribosomal RNA

• Moderating transcriptional activity

• Preventing sequence deterioration

Open Ended

Explain the roles of promoter, coding sequence, and terminator in gene sequences.

Multiple Select

Which of the following statements about transcription factors is/are correct?

• Activators bind to enhancer sites and increase transcription rates

• Repressors bind to silencer sites and increase transcription rates

• Transcription factors can bind directly to the promoter

• Transcription factors only decrease transcription rates

Fill in the Blank

During transcription, the RNA polymerase synthesizes RNA in the ___ to ___ direction.

Multiple Select

Which of the following events occur during RNA processing in eukaryotes?

• Addition of a 5'-methyl cap

• Removal of exons

• Addition of a 3'-polyA tail

• Splicing of introns

Open Ended

Describe the process and significance of RNA processing in eukaryotic cells.

Multiple Choice

Which process allows different polypeptides to be generated from the same gene by selectively removing exons?

• Alternative splicing

• DNA replication

• Translation

• Transcription

Open Ended

Explain how transcription factors can regulate gene expression during the process of transcription.

Multiple Select

Which of the following topics are directly connected to the regulation of transcriptional activity?

• Epigenetics (AHL)

• Nucleic Acids

• Types of Cells

• Systems Communication (AHL)

Multiple Choice

Which of the following is NOT one of the four DNA bases?

• Adenine

• Thymine

• Uracil

• Guanine

Open Ended

Summarize one new thing you learned about DNA or transcription from today's lesson.