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The side effects of l -DOPA may include: Hypertension, especially if the dosage is too high. Arrhythmias, although these are uncommon. Nausea, which is often reduced by taking the drug with food, although protein reduces drug absorption. l -DOPA is an amino acid, so protein competitively inhibits l -DOPA absorption.
Arthropods (/ ˈ ɑːr θ r ə p ɒ d / ARTH-rə-pod) are invertebrates in the phylum Arthropoda.They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated segments, and paired jointed appendages.
Sesquiterpenes are a class of terpenes that consist of three isoprene units and often have the molecular formula C 15 H 24. Like monoterpenes, sesquiterpenes may be cyclic or contain rings, including many unique combinations. Biochemical modifications such as oxidation or rearrangement produce the related sesquiterpenoids. [ 1]
Grain, fruit, and vegetables are basic human foods and have been domesticated for millennia. People use plants for many purposes, such as building materials, ornaments, writing materials, and, in great variety, for medicines. The scientific study of plants is known as botany, a branch of biology .
Zamia is a genus of cycad of the family Zamiaceae, native to North America from the United States (in Georgia and Florida) throughout the West Indies, Central America, and South America as far south as Bolivia.
Encephalartos sclavoi cone, about 30 cm long. Over 1,000 living species of gymnosperm exist. [2] It was previously widely accepted that the gymnosperms originated in the Late Carboniferous period, replacing the lycopsid rainforests of the tropical region, but more recent phylogenetic evidence indicates that they diverged from the ancestors of angiosperms during the Early Carboniferous.
The Rhamnaceae are a large family of flowering plants, mostly trees, shrubs, and some vines, commonly called the buckthorn family. [2] Rhamnaceae is included in the order Rosales. [3] The family contains about 55 genera and 950 species. [4] The Rhamnaceae have a worldwide distribution, but are more common in the subtropical and tropical regions.
Saribus rotundifolius is a hermaphrodite fan palm. [2] The palm is evergreen, erect, and only grows having a single trunk ('solitary'). It grows at a height ranging from 15 to 25 metres, [11] exceptionally up to 45 metres tall, [2] and thickness of 15 to 25 cm diameter at breast height. [2] [11] Its trunk is smooth and straight with a shallow ...