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Explore questions in the Uncategorized category that you can ask Spark.E!
- any solid drain cleaners are based on sodium hydroxide, NaOH. • A student dissolves 1.26g of a drain cleaner in water and makes up the solution to 100.0cm3. • The student measures the pH of this solution as 13.48. Determine the percentage, by mass, of NaOH in the drain cleaner. Give your answer to three significant figures.
- does [Co(NH2CH2CH2NH2) 3] 2+ have cis and trans isomerism
- Histone mods as repressors of developmentally regulated genes
- What did the Vietcong use to elude the American military that connected villages?
- What two communist countries does President Nixon visit in his new RealPolitik diplomacy?
- How many military advisors were in Vietnam when President Kennedy died in 1963?
- Why does universal indicator go purple when added to the water after the reaction with potassium
- HISTONE VARIANTS: variations of ___ and ___ are common, ____ and ___ are predominantly canonical.___ and H3.2 (canonical forms) are deposited during DNA ___ (mainly by CAF)___ replaces canonical H3.1, H3.2Histone exchange happens at active ____ units (by HIRA) or at pericentric/telomeric heterochromatin (by _____/____)
- Interactions that facilitate the octamer complex: ___ charged surfaces formed by basic AA ___ ___ interact with the ___ charged phosphate groups of the DNA backbone.
- What kind of salt does sulphuric acid make?
- CENP-A is a ____ variant present at ___. It contributes to _____ _____ and centromeric chromatin.It is an epigenetic marker of the ___ and is incorporated by ____ (chaperone)
- How did geography help the auto industry in its early days
- What kind of salt does hydrochloric acid make?
- What is the salt formed when nitric acid neutralises potassium hydroxide
- Histone variants in different chromosomal regions often occur in the form of histone methylation modification of ____ of arginine & lysine with one or more ___ groups.
- Why were railroads important to the growth of the Midwest
- Pericentric heterochromatin is constitutive heterochromatin localised to both sides of ____. It forms ___ ___ enriched in repressive marks (H3K8me3, ____)
- HISTONE ACETYLATIONAcetylation of the sidechains of ____ and lysine (K) leads to neutralisation of ____ charge.--> ___ accessibility of DNA for regulatory proteins bc of reduced interactions with the ___ charged phosphoribose backbone and the histone ___-terminus.
- Who is the Soviet Premier that met with President Nixon?
- When did railroads link the Midwest with the east?