Unit 3 Target 3: Transcription
9 Questions
| Total Attempts: 1036
Questions and Answers
- 1.Transcription is the process by which genetic information encoded in DNA is transferred to a(n)
- A.
MRNA molecule.
- B.
DNA molecule.
- C.
Uracil molecule.
- D.
TRNA molecule.
- 2.During transcription,
- A.
DNA is replicated.
- B.
Proteins are synthesized.
- C.
RNA is produced.
- D.
Translation occurs.
- 3.During transcription, the genetic information for making a protein is “rewritten” as a molecule of
- A.
Transfer RNA.
- B.
Messenger RNA.
- C.
Ribosomal RNA.
- D.
Translation RNA.
- 4.Transcription begins when RNA polymerase
- A.
Attaches to the ribosome.
- B.
Binds to a strand of DNA.
- C.
Binds to a strand of RNA.
- D.
Attaches to the promoter sequence of a gene.
- 5.Each nucleotide triplet in mRNA that specifies a particular amino acid is called a(n)
- A.
Peptide bond.
- B.
Codon.
- C.
Anticodon.
- D.
Helicase.
- 6.Where does transcription occur?
- A.
Nucleus
- B.
Cytoplasm
- C.
Ribosome
- D.
Nucleolus
- 7.Which type of RNA functions as a “blueprint” for protein synthesis because it is complementary to the DNA?
- A.
MRNA
- B.
TRNA
- C.
RNA polymerase
- D.
RRNA
- 8.TAC-ATT-GCA is a sequence of DNA. What will the correct sequence of mRNA be when that strand is transcribed?
- A.
ATG-TAA-CGT
- B.
AUG-UAA-CGU
- C.
TAC-ATT-GCA
- D.
ACG-TTA-CAT
- 9.A strand of DNA is made up of the bases CATAGCGTA. During transcription, what is the sequence on the mRNA strand?
- A.
CAUAGCGUA
- B.
UTATCUCAT
- C.
GTATCGCAT
- D.
GUAUCGCAU
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