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1 day ago · The nitrogenous bases of the two separate polynucleotide strands are bound together, according to base pairing rules (A with T and C with G), with hydrogen bonds to make double-stranded DNA. The complementary nitrogenous bases are divided into two groups, the single-ringed pyrimidines and the double-ringed purines. In DNA, the pyrimidines are ...
1 day ago · A 2023 report by the Institute for Fiscal Studies said the triple lock adds an extra £11bn a year to public spending, while the Organisation for Economic Co-operation and Development warned the ...
4 hours ago · Venus is the second planet from the Sun. It is a terrestrial planet and is the closest in mass and size to its orbital neighbour Earth. Venus is notable for having the densest atmosphere of the terrestrial planets, composed mostly of carbon dioxide with a thick, global sulfuric acid cloud cover.
4 hours ago · t. e. The cosmic microwave background ( CMB or CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe. [1] With a standard optical telescope, the background space between stars and galaxies is almost completely dark.
1 day ago · Excess sun exposure produces harmful effects, however. Vitamin D promotes the creation of serotonin. The production of serotonin is in direct proportion to the degree of bright sunlight the body receives. Serotonin is thought to provide sensations of happiness, well-being and serenity to human beings. Skin conditions
1 day ago · According to one estimate, the mortality rates increased by as much as 30% during this period. Due to widespread criticism of the system, it was abolished in 1870. According to one study, the mortality rate in Java would have been 10–20% higher by the late 1870s if the Cultivation system had not been abolished. [48]
4 hours ago · This study also puts a conservative estimate of the ants at about 20 × 10 15 (20 quadrillion). [29] [30] [31] Ants range in size from 0.75 to 52 millimetres (0.030–2.0 in), [32] [33] the largest species being the fossil Titanomyrma giganteum , the queen of which was 6 cm ( 2 + 1 ⁄ 2 in) long with a wingspan of 15 cm (6 in). [34]
