Examlex
Organisms usually have only a single transport system for any nutrient.
Nucleus
A membrane-bound organelle found in eukaryotic cells that contains most of the cell's genetic material.
Nucleolus
A structure within the nucleus of a cell where ribosomal RNA is produced and assembled.
Mitochondria
Membrane-bound organelles found in the cytoplasm of eukaryotic cells, involved in cellular respiration and energy production.
Messenger RNA
A type of RNA that conveys genetic information from DNA to the ribosome, where it serves as a template for protein synthesis.
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