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The chromosomal basis of Wolf-Hirschhorn syndrome (WHS) consists of a deletion of the most terminal portion of the short arm of chromosome 4. The deleted segment of reported individuals represent about one half of the p arm, occurring distal to the bands 4p15.1-p15.2. The proximal boundary of the WHSCR was defined by a 1.9 megabase terminal ...
28 Nov 2024 – Direct quantum chemistry PRODed by Smallangryplanet (t · c) and endorsed by Bearian (t · c) on 01 Dec 2024 was deproded by Preimage (t · c) on 03 Dec 2024 23 Nov 2024 – Brownian motion of sol particles ( talk · edit · hist ) PRODed by WeirdNAnnoyed ( t · c ) and endorsed by Synpath ( t · c ) on 24 Nov 2024 was deleted
In genetics, a deletion (also called gene deletion, deficiency, or deletion mutation) (sign: Δ) is a mutation (a genetic aberration) in which a part of a chromosome or a sequence of DNA is left out during DNA replication. Any number of nucleotides can be deleted, from a single base to an entire piece of chromosome. [1]
11 Dec 2024 – The Rope Hypothesis AfDed by Ldm1954 (t · c) was closed as delete by Liz (t · c) on 18 Dec 2024; see discussion (9 participants) 06 Dec 2024 – André Hoelz AfDed by Ldm1954 (t · c) was closed as keep by Just Step Sideways (t · c) on 13 Dec 2024; see discussion (12 participants)
The National Standard Examination in Chemistry or NSEC is an examination in chemistry for higher secondary school students in India, usually conducted in the end of November. [1] The examination is organized by the Indian Association of Chemistry Teachers. Over 30,000 students, mainly from Standard 12, sit for this examination.
The poem Sabse Khatarnak by the Hindi poet Pash was included in the NCERT textbook for 11th standard Hindi students in 2006. In 2017, the BJP government affiliated RSS tried to remove it but failed. [25] [26] The NCERT made two controversial changes to the class XII political science textbook ‘Politics in India Since Independence’ in 2017.
Bicyclic ring structures in organic chemistry that have two fully carbocyclic (all carbon) rings connected through a carbon atom are the usual focus of the topic of spirocycles. Simple parent spirocycles include spiropentane, spirohexane, etc. up to spiroundecane. Several exist as isomers. Lower members of the class are strained.
The toxic [11] relativistic metals (mercury, thallium, and lead) are preferred: inert counterions, such as the alkali metals, have only rarely led to reported success. [ 12 ] : 464 The Kochi reaction is a variation on the Hunsdiecker reaction developed by Jay Kochi that uses lead(IV) acetate and lithium chloride ( lithium bromide can also be ...