• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Chapter 3- Section 4 The DNA Connection
Chapter 3- Section 4 The DNA Connection

... So how do ribosomes and chromosomes come together to produce proteins if they are located in different parts of the cell? RNA is a genetic messenger that carries the genetic code from the DNA inside the nucleus to the cytoplasm.  Unlike DNA, RNA is only single stranded.  Like DNA, RNA also has fou ...
Unit 6B Learning Targets
Unit 6B Learning Targets

... Transcription factors bind to specific DNA sequences and/or other regulatory proteins. b. Some of these transcription factors are activators (increase expression), while others are repressors (decrease expression). c. The combination of transcription factors binding to the regulatory regions at any ...
Class - Educast
Class - Educast

... Uses of Transgenic plants: In order to improve the quality and quantity of plants, traditional method of plant breeding is replaced by the creation of transgenic plants. The transgenic plants are plants carrying foreign genes introduced deliberately into them to develop a new character useful for th ...
Full file at http://TestbanksCafe.eu/Test-Bank-for-Introduction
Full file at http://TestbanksCafe.eu/Test-Bank-for-Introduction

... Answer: mRNA is a good intermediate because it must leave the nucleus and go to the cytoplasm to direct translation. DNA is the genetic code and cannot leave the nucleus and risk degradation. So, mRNA can carry the DNA information to the cytoplasm without causing any risk of harm to the original DNA ...
The Importance of Non-Coding DNA
The Importance of Non-Coding DNA

Viewpoint - Prof Ralf Metzler
Viewpoint - Prof Ralf Metzler

... missing one’s connection one needs to know the distribution around the mean journey time. This is true for any first passage process: the mean first passage time provides only very limited information, it is a more or less noisy quantity. So what about that noise in gene regulation? Transcription fa ...
Gene Mutation, DNA Repair, and Transposition
Gene Mutation, DNA Repair, and Transposition

... Mutations due to transposition o Since transposition is effectively insertion of a segment of DNA, all of the associated effects are seen o Transposition is known to be responsible for some forms of neurofibromatosis, hemophilia, and muscular dystrophy ~50% of all spontaneous mutations in Drosophila ...
Document
Document

...  Complete the matching section on your study guide.  Please note that some answers may be used more than once ...
Unit 4 Review
Unit 4 Review

Eukaryotic Gene Expression Heyer 1
Eukaryotic Gene Expression Heyer 1

D. - Nutley Public Schools
D. - Nutley Public Schools

...  Complete the matching section on your study guide.  Please note that some answers may be used more than once ...
Protein synthesis - hrsbstaff.ednet.ns.ca
Protein synthesis - hrsbstaff.ednet.ns.ca

... occur in the noncoding regions (introns) of DNA. Missense mutations occur when a change in the base sequence of DNA alters a codon (a code for a specific amino acid), resulting in the wrong amino acid being placed in the protein sequence. This can lead to disease, like sickle cell anemia. Nonsense m ...
DNA-RNA Review
DNA-RNA Review

... Process in which the genetic code of DNA is copied into a strand of RNA transcription Three sequential nucleotides in an mRNA molecule that code for a specific amino acid codon ...
Biochemistry Powerpoint
Biochemistry Powerpoint

... monosaccharides for energy 2. Anabolic- complex molecules are built up from simpler ones. Ex. Combining amino acids to build muscle protein ...
(3) Ch 6 Review Game
(3) Ch 6 Review Game

... • This term refers to the number of chromosomes in the parent cell at the BEGINNING of the process. • This term refers to the number of chromosomes in each cell at the END of the process. ...
Review Relay 1 Cell Reproduction 1. How is mitosis and cell
Review Relay 1 Cell Reproduction 1. How is mitosis and cell

... Review Relay 3 Protein Synthesis 1. _________________________ process of making mRNA _________________________ process of copying DNA _________________________ process of assembling amino acids at the ribosome _________________________ place to find DNA in the cell _________________________ place o ...
Lecture 8
Lecture 8

... As you analyze genes that are increasingly far from each other on the same chromosome, the observed recombination frequency approaches, but doesn’t exceed 50% for two genes on the same chromosome. 50% recombination is the same value that is observed for two independently assorting genes on different ...
high order thinking skills (hots ).
high order thinking skills (hots ).

... 23. Which metabolic pathway is responsible for puffed up appearance of the Idli ? 2|Page ...
From Genes to Proteins - Yale Center for Teaching and Learning
From Genes to Proteins - Yale Center for Teaching and Learning

... transcription/translation & miss larger concept about how genotype determines phenotype. – see molecular processes of gene expression as separate from classical genetics/inheritance. ...
Problem Set 1 Questions
Problem Set 1 Questions

... 12. (a) In how many cases in the genetic code would you fail to know the amino acid specified by a codon if you know only the first two nucleotides of the codon? (b). In how many cases would you fail to know the first two nucleotides of the codon if you know which amino acid is specified by it? 13. ...
University of York Department of Biology B. Sc Stage 1 Degree
University of York Department of Biology B. Sc Stage 1 Degree

... b) Cycloheximide and edeine are both chemical inhibitors of translation. When cells are treated with cycloheximide, translation is inhibited immediately. When cells are treated with edeine, translation continues for some minutes before stopping. Suggest at which stage of translation cycloheximide an ...
Protein Synthesis Practice
Protein Synthesis Practice

PicoPure DNA Extraction Kit
PicoPure DNA Extraction Kit

... positive PCR control, 1 ng human genomic DNA template; lane 11: negative control, no-PCR template. ...
Mutations (power point)
Mutations (power point)

... • Mutations are changes in the genetic material of a cell (or virus). • These include large-scale mutations in which long segments of DNA are affected (for example, translocations, duplications, and inversions). • A chemical change in just one base pair of a gene causes a point mutation. • If these ...
biotechnology: tools and applications
biotechnology: tools and applications

... • Cotton resistant to boll weevil • Soybeans resistant to herbicide (Roundup) • Corn resistant to European corn borer ...
< 1 ... 413 414 415 416 417 418 419 420 421 ... 766 >

Cre-Lox recombination



In the field of genetics, Cre-Lox recombination is known as a site-specific recombinase technology, and is widely used to carry out deletions, insertions, translocations and inversions at specific sites in the DNA of cells. It allows the DNA modification to be targeted to a specific cell type or be triggered by a specific external stimulus. It is implemented both in eukaryotic and prokaryotic systems.The system consists of a single enzyme, Cre recombinase, that recombines a pair of short target sequences called the Lox sequences. This system can be implemented without inserting any extra supporting proteins or sequences. The Cre enzyme and the original Lox site called the LoxP sequence are derived from bacteriophage P1.Placing Lox sequences appropriately allows genes to be activated, repressed, or exchanged for other genes. At a DNA level many types of manipulations can be carried out. The activity of the Cre enzyme can be controlled so that it is expressed in a particular cell type or triggered by an external stimulus like a chemical signal or a heat shock. These targeted DNA changes are useful in cell lineage tracing and when mutants are lethal if expressed globally.The Cre-Lox system is very similar in action and in usage to the FLP-FRT recombination system.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report