Examlex
Coral reefs produce white beaches.
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.
Q29: Between 20 degrees and 30 degrees latitude,
Q31: Maximum tidal ranges are approximately _ inches
Q39: The main source of anthropogenic carbon monoxide
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Q65: A jet contrail is a naturally forming
Q69: When was the Montreal Protocol ratified?<br>A)1987<br>B)1990<br>C)1995<br>D)2001
Q69: _ clouds are wispy and thin.<br>A)Cirrus<br>B)Cirrostratus<br>C)Altostratus<br>D)Stratus
Q81: In the diagram, box D points to
Q82: Ninety-five degrees Fahrenheit is equal to _
Q133: A greenhouse gas absorbs and emits heat.