12.3 Protein Synthesis Quiz

What is the central dogma of biology as mentioned in the text?

• DNA codes for carbohydrates

• DNA codes for RNA, which guides protein synthesis

• RNA codes for DNA, which guides protein synthesis

• Proteins code for DNA, which guides RNA synthesis

How many strands does RNA typically have?

• One

• Two

• Three

• Four

What is the primary role of DNA in cells?

• To store energy

• To guide protein synthesis

• To provide structural support

• To transport nutrients

Tags

NGSS.HS-LS1-1

What is the process called where mRNA is synthesized from DNA?

• Translation

• Replication

• Transcription

• Mutation

What are the sequences called that are not in the final mRNA?

• Exons

• Codons

• Introns

• Anticodons

What is the role of RNA polymerase in transcription?

• It unwinds the DNA

• It synthesizes proteins

• It initiates mRNA synthesis

• It repairs DNA

What is the mRNA called before it leaves the nucleus?

• Mature mRNA

• Pre-mRNA

• tRNA

• rRNA

What is the process of removing introns from pre-mRNA called?

• Splicing

• Transcription

• Translation

• Replication

How many amino acids are used to make proteins?

• 10

• 20

• 30

• 40

What is the function of the anticodon in tRNA?

• It synthesizes proteins.

• It is complementary to a codon on the mRNA.

• It transcribes DNA.

• It codes for amino acids.