Examlex
One major difficulty in replicating linear DNA molecules is replacing the segment of DNA occupied by the RNA primer on the telomeres at the ends of the DNA.
Erythrocyte
A vertebrate red blood cell; contains hemoglobin, which transports oxygen. Compare with leukocyte.
Biconcave Shape
Describes the geometry of objects, such as red blood cells, that are concave on both sides, aiding in flexibility and the area for gas exchange.
Mitochondria
Membrane-bound organelles found in the cytoplasm of almost all eukaryotic cells, responsible for generating most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy.
Nuclei
The plural of nucleus, referring to the membrane-bound organelles in cells that contain genetic material.
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