Protein Synthesis Quiz

What is the process by which the information in DNA is copied into a new strand of RNA?

• Translation

• Replication

• Transcription

• Mutation

Which of the following are types of non-lethal errors that can occur during DNA replication?

• Missense and nonsense

• Insertions, deletions, and substitutions

• Frameshift and point mutations

• Silent and chromosomal mutations

What is the term for heritable mutations caused by environmental factors such as radiation and chemicals?

• Acquired mutations

• Spontaneous mutations

• Induced mutations

• Somatic mutations

How does RNA differ from DNA in terms of structure?

• RNA is single-stranded and contains uracil

• DNA is single-stranded and contains ribose sugar

• RNA is double-stranded and contains thymine

• DNA is double-stranded and contains cytosine

Which process is responsible for the synthesis of proteins based on the information encoded in mRNA?

• Translocation

• Transduction

• Translation

What type of mutation results from the insertion or deletion of nucleotides in a DNA sequence?

• Silent mutation

• Point mutation

• Frameshift mutation

• Chromosomal mutation

In which step of gene expression does mRNA interact with ribosomes to build a polypeptide chain?

• Replication

• Transcription

• Translation

• Reverse transcription

Which of the following describes the genetic code that determines the amino acid sequence of a protein?

• mRNA

• rRNA

• tRNA

• DNA

What is the basic unit of DNA packaging in eukaryotic cells?

• Nucleosome

• Codon

• Histone

• Chromatin

What type of RNA carries amino acids to the ribosome during protein synthesis?

• mRNA

• rRNA

• tRNA