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Sara is considering the purchase of a new car.Rational self-interest demands that she do an exhaustive research study to acquire every bit of information possible about her potential options.
Substances
Materials or items with distinct physical or chemical properties.
Cytoplasm
The gel-like substance within a cell, excluding the nucleus, that contains organelles and is the site of numerous metabolic reactions.
Nucleus
A central and most important part of an object, movement, or group, forming the basis for its activity and growth, or in a biological context, the membrane-bound organelle found in eukaryotic cells that contains most of the cell's genetic material.
Nuclear Membrane
The double-layered membrane that encloses the nucleus of a eukaryotic cell, controlling the flow of substances in and out of the nucleus.
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