Using the CRISPR/Cas9 System, a Genetically-Engineered SgRNA Complementary to a Target

question 17

Multiple Choice

Using the CRISPR/Cas9 system, a genetically-engineered sgRNA complementary to a target site in the genome binds to Cas9 endonuclease.A mutation can occur at this site when

• A)Cas9 cleaves the DNA and nonhomologous end-joining results in a small deletion.
• B)Cas9 cleaves the DNA and homologous recombination with the homologous chromosome is used to repair the break.
• C)Cas9 cleaves the DNA to remove the complementary sequence.
• D)Cas9 cleaves the DNA and nonhomologous end-joining correctly repairs the break.

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Definitions:

Adjusting Entry

At the close of an accounting period, journal entries are recorded to appropriately distribute income and expenses to the period they occurred.

Office Supplies

Consumable items used in offices for daily operations, such as paper, pens, and staplers.

Debit Balance

An excess of debits over credits in an account, indicting expenses, assets, or losses.

Adjusting Entries

Entries in accounting journals, made at the termination of an accounting cycle, serve to apportion incomes and outlays to their actual occurrence period.