Quiz 2.1 prep

What is the job of mRNA in a cell?

• To transport amino acids to the ribosome

• To carry genetic information from DNA to the ribosome

• To build ribosomes

• maintain homeostasis

Which type of RNA is responsible for bringing amino acids to the ribosome during protein synthesis?

• mRNA

• rRNA

• tRNA

• snRNA

What is the sugar of RNA?

• Deoxyribose

• Ribose

• Glucose

• Ribosome

Which of the following is a start codon in mRNA?

• UAA

• UAG

• AUG

• UGA

What is the process of copying a segment of DNA into RNA called?

• Translation

• Transcription

• Replication

• Mutation

Which of the following is NOT a type of RNA?

• mRNA

• tRNA

• rRNA

• dRNA

What is the role of rRNA in the cell?

• To carry genetic information

• To build amino acid chains

• To transport amino acids

• To modify mRNA

What is an anticodon?

• A sequence of bases on mRNA

• A sequence of three bases on tRNA

• A sequence of amino acids

• A sequence of bases on DNA

What is the result of a substitution mutation?

• A change in the entire amino acid sequence

• A single nucleotide change in the DNA sequence

• A shift in the reading frame of the genetic message

• A complete deletion of a gene

Tags

NGSS.HS-LS3-2

What is a frameshift mutation?

• A mutation that changes one amino acid in a protein

• A mutation that inserts or deletes nucleotides, altering the reading frame

• A mutation that duplicates a segment of DNA

• A mutation that inverts a segment of DNA

Tags

NGSS.HS-LS3-2