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The ZW sex-determination system is a chromosomal system that determines the sex of offspring in birds, some fish and crustaceans such as the giant river prawn, some insects (including butterflies and moths), the schistosome family of flatworms, and some reptiles, e.g. majority of snakes, lacertid lizards and monitors, including Komodo dragons.
Cephalotaxus species produce cephalotaxine, an alkaloid.Parry et al 1980 provides evidence that cephalotaxine is a phenylethylisoquinoline.However, they also find this genus to be unable to incorporate cinnamic acid into cephalotaxine, and incorporation of cinnamic acid is usually a step in phenylethylisoquinoline syntheses, throwing the phenylethylisoquinoline theory in to question.
Adjectives vary according to gender, and in most cases only the lemma form (nominative singular masculine form) is listed here. 1st-and-2nd-declension adjectives end in -us (masculine), -a (feminine) and -um (neuter), whereas 3rd-declension adjectives ending in -is (masculine and feminine) change to -e (neuter).
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Human taxonomy is the classification of the human species (systematic name Homo sapiens, Latin: "wise man") within zoological taxonomy. The systematic genus, Homo, is designed to include both anatomically modern humans and extinct varieties of archaic humans.
Zamia species often produce more than one cone close to the tip of the stem or at the terminal of the caudex where it intersects with the cones, also called strobilus, of Z. integrifolia are dioecious. The male strobilus and the female strobilus are found on two separate plants. The cones on the female plant are thick and have red-orange seeds.
Maskot/Getty Images. 6. Delulu. Short for ‘delusional,’ this word is all about living in a world of pure imagination (and only slightly detached from reality).
The diagnosis is based on the patient's sexual history and on physical examination revealing a painless, "beefy-red ulcer" with a characteristic rolled edge of granulation tissue. In contrast to syphilitic ulcers, inguinal lymphadenopathy is generally mild or absent. Tissue biopsy and Wright-Giemsa stain are used to aid in the diagnosis. The ...