Eukaryotic Cells Have DNA Enclosed in a Double Membrane Called

question 12

Multiple Choice

Eukaryotic cells have DNA enclosed in a double membrane called the nucleus. The nucleus functions to

• A) separate the DNA from other activities that occur in the cytoplasm.
• B) prevent the DNA from influencing the activities in the cytoplasm.
• C) prevent materials associated with the DNA from coming into contact with the cell's cytoplasm.
• D) separate the DNA and mRNA from the cytoplasm.
• E) separate the DNA from the RNA.

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Definitions:

Biological Catalysts

Enzymes that speed up chemical reactions in the body without being consumed in the process.

Denaturation

The process by which a protein loses its three-dimensional structure and hence its function, usually caused by changes in pH or temperature.

Non-Specific

Describes reactions or responses that are not distinct to a particular antigen or stimulus, often referring to parts of the immune system that provide general defense mechanisms.

Denaturation

The process by which a protein loses its native shape and biological activity due to external stressors like heat, acidity, or chemical action, often irreversible.