Gene Expr and Reg 1

What are the two main steps involved in gene expression?

• Transcription and Translation

• Replication and Mutation

• Mitosis and Meiosis

• Phosphorylation and Glycosylation

What is the role of RNA polymerase in transcription?

• It transports amino acids to the ribosome.

• It modifies proteins after translation.

• It adds amino acids to a polypeptide chain.

• It synthesizes a complementary RNA molecule from a DNA template.

Which type of RNA carries amino acids to the ribosome?

• pre-mRNA

• rRNA

• mRNA

• tRNA

What modification is NOT a post-translational modification of proteins?

• Splicing

• Glycosylation

• Acetylation

• Phosphorylation

Which of the following is a regulatory DNA sequence that can enhance transcription from a distance?

• Promoter

• Terminator

• Enhancer

• Silencer

What is the central dogma of biology?

• DNA to RNA to Protein

• DNA to Protein to RNA

• Protein to RNA to DNA

• RNA to DNA to Protein

Which process involves the assembly of ribosome, mRNA, and initiator tRNA?

• Transcription

• RNA Processing

• DNA Replication

• Translation Initiation

What is the purpose of adding a 5' cap and poly(A) tail in RNA processing?

• To aid in RNA splicing

• To initiate transcription

• To enhance RNA stability and translation

• To replicate the RNA molecule

Which technology allows precise editing of genes?

• DNA Sequencing

• Polymerase Chain Reaction

• CRISPR-Cas9

• Gene Therapy

What is NOT a potential application of understanding gene expression?

• Creating glowing plants

• Treating genetic disorders

• Predicting weather patterns

• Developing targeted cancer therapies