Unit 4 Assessment ELL & IEP 2/13/25

You are given the DNA strand 5'ATGCTCAGCTGA3'. What is the corresponding DNA strand?

• 5'UACGAGUCGACU3'

• 5'TACGAGTCGACT3'

• 3'UACGAGUCGACU5'

• 3'TACGAGTCGACT5'

Which is the role of DNA polymerase?

• Unwinds the original DNA strand

• Lays down RNA primer for new nucleotide bases.

• Builds new strands by bringing in new nucleotide bases.

• Remove Okazaki fragments for new nucleotides.

DNA replication takes place in eukaryotic cells during which phase?

• G1

• S

• M

• G0

DNA replication results in

• 2 completely new DNA molecules

• 2 DNA molecules that each contain a strand of the original

• 1 new DNA molecule and 1 old

• 1 new molecule of DNA

Which of the following enzymes catalyzes the linkage together of RNA nucleotides to form RNA?

• polymerase

• ligase

• ribozyme

• reverse transcriptase

The transfer of genetic info from DNA to RNA is called

• translation

• transcription

• initiation

• elongation

Which of the following sequences best describes the flow of information that takes place when a gene directs the synthesis of a cellular component?

• RNA-DNA-RNA-PROTEIN

• DNA-RNA-PROTEIN

• PROTEIN-RNA-DNA

• DNA-AMINO ACID-RNA-PROTEIN

When RNA is being made, the RNA base ____ always pairs with the base ___ in DNA.

• U-T

• T-G

• U-A

• A-U

Which amino acid sequence will be made if the mRNA strand reads GGG UGU?

• Phe-Iso
• Val-Ala
• Val-Cys
• Gly-Cys

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

• Substitution
• Deletion
• Insertion
• Inversion