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Cnidarians have specialized stinging cells called cnidocytes
Obstetrical sonography and fetometry. (b) An ultrasound image reveals the fetus within the uterus.
swan neck fingers
Children with Down syndrome have a small head, short, thick neck, flattened face, and a distinctive ...
A square matrix P is called a permutation matrix if each row and column of P contains exactly ...
Different forms of a gene are called alleles