Thymidine Kinase Is Valuable in the Targeting of Mouse Genes

question 8

Multiple Choice

Thymidine kinase is valuable in the targeting of mouse genes because:

• A)it enhances the efficiency of gene replacement.
• B)it suppresses expression of the target gene.
• C)it allows researchers to enrich cells for those that have undergone homologous recombination.
• D)transgenic cells are resistant to gancyclovir.
• E)transgenic cells are sensitive to gancyclovir.

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Definitions:

Purplish Blotches

These are discolored, purple spots or patches on the skin, which can be indicative of bruising, bleeding under the skin, or other medical conditions.

Cancer

is a disease characterized by the uncontrolled growth and spread of abnormal cells that can result in tumors and harm the body.

Interferons

Proteins produced by the cells of the immune system in response to pathogens like viruses, bacteria, parasites, and tumor cells, playing a key role in the immune response.

Nucleoside Reverse

likely refers to nucleoside reverse transcriptase inhibitors (NRTIs), which are medications used to treat HIV and other viruses by inhibiting the reverse transcriptase enzyme.