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If the standard deviations of X and Y are 15.5 and 10.8,respectively,and the covariance of X and Y is 128.8,then the correlation coefficient is approximately 0.77.
Peptidoglycan
A polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of bacteria, providing structural support and shape.
Protist Clade
A group within the kingdom of eukaryotic organisms, often single-celled, that are not animals, plants, or fungi but share some similar characteristics with these groups.
Greatly Modified Mitochondria
Mitochondria that have undergone significant structural or functional changes, often to suit specific cellular needs or conditions.
Supergroup
A high-level taxonomic rank in biological classification above the level of kingdom, used in some classifications for organisms that are genetically distant.
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