Examlex
Which of the following checks for errors in the packet header?
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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