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Challenge How much (Ba (OH ) 2), in grams, is needed to

Chemistry: Matter & Change | 1st Edition | ISBN: 9780078746376 | Authors: McGraw-Hill Education ISBN: 9780078746376 131

Solution for problem 28 Chapter 14

Chemistry: Matter & Change | 1st Edition

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Chemistry: Matter & Change | 1st Edition | ISBN: 9780078746376 | Authors: McGraw-Hill Education

Chemistry: Matter & Change | 1st Edition

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Problem 28

Challenge How much (Ba (OH ) 2), in grams, is needed to make a 1.00m aqueous solution?

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Genetics 3000 Kate Tsai Chapter 11: DNA Organization Key Terms  Primary Structure- nucleotide sequence (A-T, G-C)  Secondary Structure- double stranded helix  Tertiary Structure- higher order packing  Super coiling- either adding more spins (over rotating) or unraveling DNA and taking away spins (under rotation)  Positive Supercoil- add rotations  Negative Supercoil- remove rotations  Chromatin- complex of DNA and proteins in eukaryotic chromosomes, contain histones  Scaffolding Proteins- non-histone, play a role in folding and packing  Nuclease- cuts DNA, resulting in multiple fragments identical in size  Linker DNA- combines core histones of nucleosome to chromatin known as “beads-on- a-string”  Nucleosome- two copies of H2A, H2B, H3, and H4 +DNA  Histone tails- targets for binding  Acetylation- neutralizes positive charge and relaxes histone hold  Methylation and phosphorylation- gives the histone hold strength and becomes heterochromatin  Polytene Puff- region of polytene chromosome that is relaxed and pulled out using chromatin remodeling. Allows access to DNA  Lampbrush Chromosome- mitotic chromosome, allows crossing over to take place while the DNA is compacted  Centromere- region of chromosome where spindle fibers attach  CEN region- critical for sequences within the centromere region  Telomeres- maintain ends of chromosomes  Transcribed regions- TERRA (telomeric repeat-containing RNA) contribute to methylation Prokaryotes - Most DNA is negatively supercoiled - Naked DNA - Separation of strands is easier, occupies less space than relaxed - Bacterial DNA is packaged with proteins not histones Eukaryotes - DNA always interacting with proteins - Half of protein mass is non-histone chromosomal proteins( scaffolding proteins and - DNA replication) Genetics 3000 Kate Tsai Chapter 11: DNA Organization Heterochromatin Euchromatin Highly condensed chromatin, inactive X Chromatin can be transcriptionally active, Ex) Teleomere, centromere functional DNA known as “open” chromatin Chromatin Remodeling - Structure must change to allow access to DNA, allows you to - Involves: Histone Tails, Acetylation, Methylation and phosphorylation - Remodel histone proteins, then use acetylation to allow protein arms to release DNA strand. The positive charge of the arms is neutralized by the negatively charged DNA and the arms relax. Chromosome Banding - Staining of chromosomal regions - Helps identify translocations, inversions, and duplication with in chromosomes - Allows us to name areas on the chromosome (A-T, G-C) - Similar to finger prints. - R banding and Q banding are common types of banding - Chromosomes can also be identified by staining the centromere Centromeres - Necessary for chromosomal segregation - Region of chromosome where spindle fibers attach - Without one, the chromosome is lost - 2 types of centromeres: Point centromere Regional centromere Small, precise centromere region. Very Most plants and animals repetitive within centromere. Telomeres Function: 1. Structural- serves as a cap to blocj unraveling 2. Replication of ends a) Generally does not occur to somatic cells because it degrades over multiple round of replication, it is shortened to death b) Single-celled organism and germ cells do have to deal with this

Step 2 of 3

Chapter 14, Problem 28 is Solved
Step 3 of 3

Textbook: Chemistry: Matter & Change
Edition: 1
Author: McGraw-Hill Education
ISBN: 9780078746376

Chemistry: Matter & Change was written by and is associated to the ISBN: 9780078746376. This full solution covers the following key subjects: . This expansive textbook survival guide covers 24 chapters, and 2831 solutions. Since the solution to 28 from 14 chapter was answered, more than 559 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 28 from chapter: 14 was answered by , our top Chemistry solution expert on 11/10/17, 05:56PM. The answer to “Challenge How much (Ba (OH ) 2), in grams, is needed to make a 1.00m aqueous solution?” is broken down into a number of easy to follow steps, and 17 words. This textbook survival guide was created for the textbook: Chemistry: Matter & Change, edition: 1.

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Challenge How much (Ba (OH ) 2), in grams, is needed to