What's the length of the DNA around histone core in a nucleosome? 50 base pairs 146 base pairs 8 base pairs O None of the above

Q: Nucleosomes are the ball-like structures around which the double helix winds.  What proteins make up…

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Q: For each of the following, identify whether it is an example of primary, secondary, or t structure…

A: Nucleic acids are a class of biological molecules that play a fundamental role in the storage and…

Q: Heterochromatin has a less compact structure, whereas euchromatin is more compact and composed of an…

A: The compound of DNA and proteins known as chromatin, which is found in the nucleus of eukaryotic…

Q: Hyperacetylation of histone tails is often associated with:   Question 22 options:…

A: Loose conformation of Chromatin Explanation:Histone connections with DNA become weaker by…

Q: What the weak force that contributes most to the stability of the DNA double helix? base-stacking…

A: DNA double helix is composed of nucleic acids attached with each other through phosphodiester bonds.…

Q: Nucleosomes consist of a core of histones around which DNA is wrapped arround. ylan O İhi

A: Nucleosomes is the basic structural unit for packing dna.it consisi of H2A,H2B,H3,H4  and  H1 and…

Q: Describe the structures of a nucleosome and a 30-nm fiber

A: The size of eukaryotic genomes can lie anywhere between 10 mega base pairs (Mbp) to 105 Mbp, which…

Q: Which of the following is a tautomer or are tautomers of cytosine? `N' OH. OH. OH. H

A: The hereditary molecule deoxyribonucleic acid (DNA) transmits genetic information from one…

Q: What is a puff on a polytene chromosome?   a highly condensed region of DNA a region containing the…

A: Polytene chromosomes are found in the salivary glands of the insect like in Drosophila and other…

Q: Consult Figure 2. Would you consider this figure to be depicting euchromatin, or heterochromatin,…

A: Chromatin exists as euchromatin or heterochromatin. Euchromatin are loosely bound,less condensed,…

Q: Letter 'c' corresponds to 5' 5' 3' 5' 3' 5' leading strand. daughter strands. lagging strand.…

A: Replication is the process in which the DNA is copied in the cell. The figure represents the typical…

Q: You have discovered a new species of plant. You isolate chromatin from the plant and examines it…

A: Histones are basic proteins that are rich in basic amino acids like arginine and lysine. These basic…

Q: Kree DNA has histone like proteins that wrap up in nucleosomes. The Kree have a core DNA length of…

A: Nucleosomes are the basic repeating unit of 'beads on a string' structure of eukaryotic chromosome.…

Q: What is the empirical formula of the histone composition in a nucleosome? B) A) 2 (H1+ H2A + H2B+H3…

A: NUCLEOSOME: The packaging of chromatin into repeating units inside the nucleus of a cell is referred…

Q: How many bases make up a codon? 10 3 O 1

A: Answer: 3

Q: Ac

A: The fundamental physical and functional unit of heredity is the gene. DNA is the material that makes…

Q: Figure 1-13b shows the human chromosomes in a singlecell. The green dots show the location of a gene…

A: The somatic cells are diploid that means they have 2 sets of chromosomes inherited one from each…

Q: what are we looking at in part (b)? Is this an11-nm fiber, a 30-nm fiber, or a 300-nm fiber? Does…

A: DNA is the main constituent of the chromosome. It contains all information about protein that forms…

Q: Which histone helps stabilize the solenoid structure of eukaryotic chromatin?   H4 H3 H2B H2A H1

A: Nucleosome are the just like a rounded ball which is wrapped by rope and are numerous in number . It…

Q: How many nucleosomes form the “width” of the 300 Angstrom fiber, in chromatin packaging?

A: Each chromosome consists of a single, enormously long linear DNA molecule associated with…

Q: Which of the following is likely to be transcriptionally expressed?     euchromatin and DNA with…

A: Introduction: Two main stages are there at which gene is expressed: transcription and translation.…

Q: Name the 5 types of histones, Which form the nucleosome core and which histone holds the nucleosome…

A: Histones are protein biomolecules that are responsible for stabilizing and condensing the DNA of…

Q: Which of the following molecules is a nitrogen base that would be found in 1 po DNA? (check all that…

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Q: What is the structure of telomeres?     short, repetitive DNA sequences found at the ends of linear…

A: Telomere are present in eukaryote. Telomeres are act as cap on the tips of linear eukaryotic…

Q: Outline the structures of nucleosomes, the 30-nm fiber, andradial loop domains

A: The chromosome is the compactly packed form of DNA that has undergone many twists and turns to get a…

Q: Compare and contrast Heterochromati Euchromatin, Give at least 5 difference

A: A complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells is known…

Q: How many PAM sequences are present in the sequence below?…

A: Protospacer adjacent motif(PAM) sequence It is a short DNA sequence(usually 2-6 base pairs in…

Q: 32. The molecule above is called HO O=A-0 OH OH and it can be found in A)…

A: Simple sugar and carbohydrate ribose has the chemical formula C5H10O5 and the linear form H(CHOH)4H.…

Q: a thymine dimer formed after UV radiation would be best described as a base substitution a base…

A: Mutation is the change in DNA sequence. Mutations can occur due to exposure to ionising radiation or…

Q: 47.What are histones? What is the protein composition and organization of the nucleosome particle?…

A: Note : Hi ! Thank you for the question. We are authorized to answer three subparts at a time. Since…

Q: The nucleosomal core in eukaryotes consists of all of the following histone proteins except:…

A: NUCLEOSOMES  It is a section of DNA that is wrapped around a core of proteins termed as Histone…

Q: A double-stranded molecule of B DNA contains 340 nucleotidesWhat topic in genetics does this…

A: Nucleic acid is serving as primary information carrying molecule in cells. There are two types of…

Q: 3' 5' 30nm fiber 146 nucleotide pair Acetylation Antiparallel Centromere Chromatin Chromatin…

A: 3' end:  This is the end of a DNA or RNA strand that terminates with a free 3' hydroxyl group. It is…

Q: What is the molecular basis of genetic information?   base sequences   sugar-phosphate backbone…

A: The molecular basis of genetic information is base sequences . The genetic information must be…

Q: Histone _______ is not part of the histone octamer, but binds to linker DNA and is responsible for…

A: Histones are a family of basic proteins that associate with DNA in the nucleus and help condense it…

Q: Heterochromatin is often associated with the of histones. Acetylation

A: Heterochromatin is a rich cytological substance found near the centromeres and telomeres of cells.…

Q: Which of the following is a common histone, but NOT part of the nucleosome core particle? O H1 OH4 O…

A: A histone is a protein that gives chromosomes structural support. Each chromosome contains a long…

Q: Heterochromatin and Euchromatin Have Which Different Histone modifications

A: Introduction  Chromatin fibre can be classified into two types based on the condensation:…

Q: In the following diagram, what is the correct term for the structures indicated by letter B?…

A: Histone  Special group of proteins found in the nuclei of eukaryotic cells responsible for DNA…

Q: asic amino acids including lysine. DNA and histones collectively form chromatin. Open open and…

A: Histones can be defined as the family of basic proteins that are associated with the DNA in the…

Q: What is the basic difference between DNA, gene, chromosome, & chromatin? If chromosome does not…

A: DNA: DNA molecule is composed of 2 polynucleotide chains having anti-polarity that coil around each…