Gene Expression and Regulation Quiz

What is gene expression?

• The process of gene recombination

• The process of gene mutation

• The process of gene replication

• The process by which information from a gene is used in the synthesis of a functional gene product, such as a protein or RNA molecule.

Tags

NGSS.HS-LS1-1

Explain the process of transcription.

• Conversion of RNA to DNA

• Protein synthesis from RNA template

• RNA synthesis from DNA template

• DNA replication to form new DNA strands

What is the role of RNA polymerase in gene expression?

• Translating RNA into DNA

• Replicating RNA into DNA

• Breaking down DNA into nucleotides

• Transcribing DNA into RNA

Describe the process of translation.

• rRNA is used to produce a specific sequence of amino acids to form a carbohydrate.

• mRNA is used to produce a specific sequence of amino acids to form a protein.

• tRNA is used to produce a specific sequence of DNA to form a protein.

• mRNA is used to produce a specific sequence of amino acids to form a lipid.

What are the different types of RNA involved in gene expression?

• mRNA, tRNA, rRNA

• rRNA, mRNA, DNA

• DNA, siRNA, snRNA

• tRNA, mRNA, DNA

Explain the concept of gene regulation.

• The process of breaking down genes

• The process of creating new genes

• The process of moving genes to different locations

• The process of controlling the expression of genes

What are the various mechanisms of gene regulation?

• Protein regulation, enzyme regulation, metabolic regulation, cellular regulation

• Inheritance regulation, mutation regulation, DNA regulation, chromosome regulation

• Transcriptional regulation, post-transcriptional regulation, translational regulation, and post-translational regulation

• Genetic regulation, epigenetic regulation, mutational regulation, environmental regulation

How do mutations affect gene expression?

• Mutations can alter the sequence of DNA and lead to changes in protein structure and function.

• Mutations can only occur in non-coding regions of DNA

• Mutations only affect the color of the eyes

• Mutations have no effect on gene expression

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Discuss the role of transcription factors in gene regulation.

• Transcription factors only regulate the translation of RNA to protein

• Transcription factors control the transcription of genetic information from DNA to RNA.

• Transcription factors have no impact on genetic information

• Transcription factors are not involved in gene regulation

Explain the significance of epigenetics in gene expression and regulation.

• Epigenetics plays a significant role in gene regulation by influencing how genes are turned on or off.

• Epigenetics has no impact on gene regulation

• Epigenetics only affects non-essential genes

• Gene expression and regulation are solely determined by environmental factors