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X inactivation Xplained
X inactivation Xplained

... see how to discriminate between different models if not by analysis of molecular components. XCI starts with the accumulation of Xist along the future inactive X chromosome. Recent work indicates that Xist up-regulation is the consequence of sex-specific induction of Xist transcription on the future ...
LacI_Biochem.ppt
LacI_Biochem.ppt

... Jeffery Miller made a series of ordered deletions of the lacI gene ...
Chapter 17
Chapter 17

... 1. SnRNP = Small nuclear ribonucleoproteins (Small RNA/protein complexes in the nucleus) ...
Polycomb Group silencers collaborate with Notch pathway to cause
Polycomb Group silencers collaborate with Notch pathway to cause

... induced on the eyeful chromosome did so. The examples depicted were chosen because they are representative individual of each cross. The crosses were repeated at least three times for each genotype and the F1 progeny were compared with progeny resulting from a parallel cross of the parental unmutage ...
A Symbolic and Graphical Gene Regulation Model of the lac Operon
A Symbolic and Graphical Gene Regulation Model of the lac Operon

... included into the DNA strand. The lacZ gene, with its associated control complex is incorporated into the DNA structure. In addition, the lacI gene along with its control complex is also part of the visualization. All other interactive elements including RNA polymerase, repressor molecules, and b-ga ...
Next-Generation Sequencing applied to aDNA
Next-Generation Sequencing applied to aDNA

... files we will be mapping against. Here we map against a fragment of chromosome 1, which we choose to call EquCab20Chr1frag; this name will be used in the resulting files. The pipeline will take care of indexing the reference using the chosen aligner (BWA by default). The file was copied along with t ...
Mitochondrial transfer: Ethical, legal and social implications in assisted reproduction
Mitochondrial transfer: Ethical, legal and social implications in assisted reproduction

... Internationally, there are differing bioethical and legal regulations concerning human cloning (for reproductive, therapeutic and research purposes). A report in 2006[16] summarised these regulatory approaches from 16 countries. Cloning concerns are especially applicable to the blastomere nuclear tr ...
The Modular Structure and Function of the Wheat HI Promoter with S
The Modular Structure and Function of the Wheat HI Promoter with S

... III element, based on the difference in the flanking sequences and the presence of other cis-acting sequences (Mikami and Iwabuchi 1993, Yang et al. 1995). The type I element (CCACGTCANCGATCCGCG) is composed of the Hex motif and the reverse-oriented Oct motif. This composite element is known to regu ...
What is Biotechnology
What is Biotechnology

... • Beadle and Tatum (Neurospora crassa) • One gene, one enzyme hypothesis • Charles Yanofsky  colinearity between mutations in genes and amino acid sequence (E. coli) • Genes determine structure of proteins • Hershey and Chase – 1952 • T2 bacteriophage – 32P DNA, not 35S protein is the material that ...
Document
Document

... • Beadle and Tatum (Neurospora crassa) • One gene, one enzyme hypothesis • Charles Yanofsky  colinearity between mutations in genes and amino acid sequence (E. coli) • Genes determine structure of proteins • Hershey and Chase – 1952 • T2 bacteriophage – 32P DNA, not 35S protein is the material that ...
Recruitment of Drosophila Polycomb Group proteins to
Recruitment of Drosophila Polycomb Group proteins to

... Polycomb and trithorax Group (PcG and trxG) proteins maintain silent and active transcriptional states, respectively, throughout development1. In Drosophila, PcG and trxG proteins associate with DNA regions named Polycomb and Trithorax Response Elements (PRE and TRE), but the mechanisms of recruitme ...
Using a Single Nucleotide Polymorphism to Predict Bitter
Using a Single Nucleotide Polymorphism to Predict Bitter

... Some sequences are found at only one site -- a single locus - in the human genome. For many tandem repeats, the number of repeated units vary between individuals. Such loci are termed VNTRs. One VNTR in humans is a 17 bp sequence of DNA repeated between 70 and 450 times in the genome. The total numb ...
EXTENDED CONCEPT OF KNOWLEDGE FOR EVOLUTIONARY
EXTENDED CONCEPT OF KNOWLEDGE FOR EVOLUTIONARY

... skepticism — do we have any real knowledge at all? If we do not limit ourselves by the traditional concept of knowledge as belief (or proposition), we can give a certain answer, yes we do! There are many things that we certainly can do (if we just want to) — in many respects we are capable of doing ...
CHAPTER 14 DNA applications in society
CHAPTER 14 DNA applications in society

... impurities. Human insulin is a protein hormone built from a total of 51 amino acids organised as two chains: an amino acid A chain containing 21 amino acids, and an amino acid B chain containing 30 amino acids (see figure 14.3). In comparison, insulin from cattle differs in three amino acids, and th ...
Replication origin plasticity, Taylor-made: inhibition vs
Replication origin plasticity, Taylor-made: inhibition vs

... be distinguished with specific antibodies, the direction of replication fork movement along the length of the DNA fiber could be unambiguously determined. Naturally, during the course of three decades, many other methods were developed to map replication origins. However, DNA fiber methods remain th ...
Comparisons of Maize pericarp color1 Alleles
Comparisons of Maize pericarp color1 Alleles

... P1-wr (Zhang et al., 2000); partial sequence analysis of these clones indicated that they were derived from p2 (Zhang et al., 2003). The second class hybridizes with both probes 15 and 8B and has the 80-bp sequence in the 59 UTR sequence; thus, it appears to contain the p1 gene. Two overlapping p1-c ...
DNA Methylation Maintains Allele-specific KIR Gene Expression in
DNA Methylation Maintains Allele-specific KIR Gene Expression in

... or Z27.3.7 and analyzed in bulk or cloned by limiting dilution. The NK-92 cell line was obtained from StemCell Technologies Inc. and subcloned as previously described (21). YT-Indy cells were provided by Z. Brahmi, University of Indiana Medical Center, Indianapolis, IN. NK-92 subclones and YT-Indy c ...
CSE 181 Project guidelines
CSE 181 Project guidelines

... RNA: ribonucleic acid • RNA is similar to DNA chemically. It is usually only a single strand. T(hyamine) is replaced by U(racil) • Some forms of RNA can form secondary structures by “pairing up” with itself. This can have change its properties • Several types exist, classified by function • mRNA – t ...
Plasmids
Plasmids

... bacterial cell wall. The most common procedures use a combination of strong base and a detergent. The detergents help to solubilize lipids in the cell wall, allowing the denaturants to enter the cell. Proteins, because of their fragile structures, are irreversibly denatured. The treatment also break ...
computation for chIP-seq and rNA-seq studies
computation for chIP-seq and rNA-seq studies

... The strongest ChIP-enriched positions can have hundreds of overlapping reads for DNA-binding factors that are highly efficient targets for ChIP. These strongest signals are not, however, the only biologically meaningful ones. Statistically robust and reproducible ChIP signals that have modest read c ...
Precise insertion and guided editing of higher plant
Precise insertion and guided editing of higher plant

... hygromycin resistance gene under the control of the maize ubiquitin promoter flanked by 1kb regions of rice genomic DNA known as homology arms (Table S1-2). The Cpf1 genes were codon optimized for monocot plants, including an N-terminal nuclear localization tag, and were expressed by the 2x35S CaMV ...
RESEARCH ARTICLES
RESEARCH ARTICLES

... Insert DNA was separated from the vector DNA on a 0.8% E-gel (Invitrogen). M indicates the 1-kb DNA ladder (New England Biolabs; NEB). (B) Analysis of assembly 501-600 purified from yeast. The 105-kb circles (100-kb insert plus 5kb vector) were separated from the linear yeast chromosomal DNA on a 1% ...
Developmental Validation of the Quantifiler Real-Time
Developmental Validation of the Quantifiler Real-Time

... amplify target loci, allowing accurate genotype information to be gathered from as little as picogram amounts of genomic DNA (1). Yet, ancillary methods for the quantification of forensic DNA samples, an official requirement for STR analysis of casework samples (2), have until recently relied on old ...
Biotechnology Explorer™ Ligation and Transformation - Bio-Rad
Biotechnology Explorer™ Ligation and Transformation - Bio-Rad

... • Screening — When bacteria are being transformed with a ligation reaction, not all of the religated vectors will necessarily contain the DNA fragment of interest. To produce visible indicators that cells contain an insert, vectors frequently contain reporter genes, which distinguish them from cell ...
Automated Constraint-Based Nucleotide Sequence Selection for
Automated Constraint-Based Nucleotide Sequence Selection for

... general nucleotide selection problem and have produced the program scan to assist in the selection process. Constraint-based selection is quite different from some previous work on automated sequence selection (Deaton et al. 1996). Other nucleotide selection efforts have been directed at ensuring th ...
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Epigenomics

Epigenomics is the study of the complete set of epigenetic modifications on the genetic material of a cell, known as the epigenome. The field is analogous to genomics and proteomics, which are the study of the genome and proteome of a cell (Russell 2010 p. 217 & 230). Epigenetic modifications are reversible modifications on a cell’s DNA or histones that affect gene expression without altering the DNA sequence (Russell 2010 p. 475). Two of the most characterized epigenetic modifications are DNA methylation and histone modification. Epigenetic modifications play an important role in gene expression and regulation, and are involved in numerous cellular processes such as in differentiation/development and tumorigenesis (Russell 2010 p. 597). The study of epigenetics on a global level has been made possible only recently through the adaptation of genomic high-throughput assays (Laird 2010) and.
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