In a Series of Experiments, the Enzyme Dicer Has Been

question 89

Multiple Choice

In a series of experiments, the enzyme Dicer has been inactivated in cells from various vertebrates, and the centromere is abnormally formed from chromatin. Which of the following is most likely to occur?

• A)The usual mRNAs transcribed from centromeric DNA will be missing from the cells.
• B)Tetrads will no longer be able to form during meiosis I.
• C)Centromeres will be euchromatic rather than heterochromatic and the cells will soon die in culture.
• D)The cells will no longer be able to resist bacterial contamination.
• E)The DNA of the centromeres will no longer be able to replicate.

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Definitions:

Formaldehyde

A colorless, strong-smelling gas used in making building materials and many household products, known chemically as CH2O.

IUPAC Name

The systematic naming of chemical compounds as recommended by the International Union of Pure and Applied Chemistry, ensuring consistency and clarity worldwide.

IUPAC Name

The methodical identification of chemical substances according to guidelines set by the International Union of Pure and Applied Chemistry.

Configurational Information

Describes the spatial arrangement of atoms within a molecule that cannot be interconverted without breaking chemical bonds.