Replication Transcription Translation

Transcribe the following DNA strand into the correct mRNA strand?

TGC-GGA-CTC-CTC

• ACG-CCT-GAG-GAG

• TCC-GGT-CTC-CTC

• UGC-GGA-CUC-CUC

• ACG-CCU-GAG-GAG

The process of creating mRNA from DNA strand is called

• replication

• transcription

• translation

The process of creating a protein from mRNA is called

• replication

• transcription

• translation

The process of creating a new DNA double helix from an older DNA molecule is called

• replication

• transcription

• translation

Compare the roles of DNA polymerase and RNA polymerase.

• Both enzymes synthesize DNA.

• DNA polymerase synthesizes DNA, while RNA polymerase synthesizes RNA.

• Both enzymes synthesize RNA.

• DNA polymerase unwinds DNA, while RNA polymerase adds nucleotides to DNA.

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DOK Level 2: Skill/Concept

What is the first step in DNA replication?

• Ligase activity

• Helicase unwinding the DNA double helix

• DNA polymerase adding nucleotides

• Primase synthesizing RNA primer

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DOK Level 1: Recall

Which enzyme is responsible for unwinding the DNA double helix during replication?

• DNA polymerase

• Helicase

• Ligase

• Primase

During DNA replication, which strand is synthesized continuously?

• Leading strand

• Lagging strand

• Template strand

• Coding strand

What is the role of DNA polymerase in DNA replication?

• Unwinding the DNA strand

• Synthesizing RNA primers

• Adding nucleotides to the growing DNA strand

• Sealing gaps between Okazaki fragments

Predict the consequence of a mutation that prevents the formation of the RNA primer during DNA replication.

• DNA replication would proceed normally.

• DNA replication would be initiated but not completed.

• DNA replication would not be initiated.

• DNA replication would result in incomplete RNA strands.

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DOK Level 3: Strategic Thinking