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Red blood cells (RBCs), referred to as erythrocytes (from Ancient Greek erythros 'red' and kytos 'hollow vessel', with -cyte translated as 'cell' in modern usage) in academia and medical publishing, also known as red cells, [1] erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O 2) to the body tissues—via ...
Alchemy (from the Arabic word al-kīmīā, الكیمیاء) is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practised in China, India, the Muslim world, and Europe. [1]
Structure of a plant cell. Plant cells are the cells present in green plants, photosynthetic eukaryotes of the kingdom Plantae.Their distinctive features include primary cell walls containing cellulose, hemicelluloses and pectin, the presence of plastids with the capability to perform photosynthesis and store starch, a large vacuole that regulates turgor pressure, the absence of flagella or ...
Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite. This is in accordance with Justus von ...
Mycosphaerella is a genus of ascomycota. With more than 10,000 species, it is the largest genus of plant pathogen fungi. The following introduction about the fungal genus Mycosphaerella is copied (with permission) from the dissertation of W. Quaedvlieg (named: Re-evaluating Mycosphaerella and allied genera). [1]
As originally defined by Daniel Zohary and Maria Hopf, they consisted of three cereals (emmer wheat, einkorn wheat, and barley), four pulses (lentil, pea, chickpea, and bitter vetch), and flax. Subsequent research has indicated that many other species could be considered founder crops. These species were amongst the first domesticated plants in ...
Abdullah, born as Tengku Abdullah ibni Tengku Ahmad Shah on 30 July 1959, at the Istana Mangga Tunggal in Pekan, Pahang. He is the eldest son of Sultan Ahmad Shah of Pahang and Tengku Ampuan Afzan and is the fourth child among eight siblings, with his eldest sibling being Tengku Meriam. [6][7] Abdullah's early education began in 1965 at ...
Arthropods (/ ˈɑːrθrəpɒd / ARTH-rə-pod) [22] 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 (metameric) segments, and paired jointed appendages. In order to keep growing, they must go through stages of moulting, a ...