Unit 3 Target 3: Transcription

1. TAC-ATT-GCA is a sequence of DNA. What will the correct sequence of mRNA be when that strand is transcribed?

ATG-TAA-CGT

AUG-UAA-CGU

TAC-ATT-GCA

ACG-TTA-CAT

2. A strand of DNA is made up of the bases CATAGCGTA. During transcription, what is the sequence on the mRNA strand?

CAUAGCGUA

UTATCUCAT

GTATCGCAT

GUAUCGCAU

3. Each nucleotide triplet in mRNA that specifies a particular amino acid is called a(n)

Peptide bond.

Codon.

Anticodon.

Helicase.

4. Where does transcription occur?

Nucleus

Cytoplasm

Ribosome

Nucleolus

5. Transcription is the process by which genetic information encoded in DNA is transferred to a(n)

MRNA molecule.

DNA molecule.

Uracil molecule.

TRNA molecule.

6. Which type of RNA functions as a "blueprint" for protein synthesis because it is complementary to the DNA?

MRNA

TRNA

RNA polymerase

RRNA

7. During transcription, the genetic information for making a protein is "rewritten" as a molecule of

Transfer RNA.

Messenger RNA.

Ribosomal RNA.

Translation RNA.

8. Transcription begins when RNA polymerase

Attaches to the ribosome.

Binds to a strand of DNA.

Binds to a strand of RNA.

Attaches to the promoter sequence of a gene.

9. During transcription,

DNA is replicated.

Proteins are synthesized.

RNA is produced.

Translation occurs.