• 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
Chromosomes Key - Iowa State University
Chromosomes Key - Iowa State University

... 3. When relaxed DNA (10.4 bp/turn) becomes either under or over-coiled it is called what? a) mega-coiled b) coiled-coils c) super-coiled d) ultra-coiled The coiling in question 3 is caused by what type of protein? _topoisomerase___ 4. Prokaryotic chromosomes are different than Eukaryotic chromosomes ...
Om evolution og sekvenser
Om evolution og sekvenser

... Individuals in a population vary in their characteristics. ...
Greatest Discoveries with Bill Nye: Genetics
Greatest Discoveries with Bill Nye: Genetics

... 1. What plants did Mendel work with? 2. What happened when Mendel crossed a round seed with a wrinkled? 3. What happened when Mendel crossed the round offspring seeds? 4. About how many of the second generation seeds were wrinkled? 5. How many of Mendel’s genetic factors are contributed by each pare ...
Mutations
Mutations

DNA Web
DNA Web

... How many base pairs? ...
2 Types of Selective Breeding
2 Types of Selective Breeding

... For thousands of years people have tried to produce __________________________ with desirable traits _________ methods that people use to develop organisms with desirable traits: 1) Selective Breeding – a process of selecting a few organisms with _______________ to serve as parents of the __________ ...
Genetics - California Science Teacher
Genetics - California Science Teacher

... 22. Which of the following is an additional use of the gel electrophoresis technique? a. To express a gene b. To separate proteins in a mixture c. To ligate DNA fragments d. To transform E. coli e. To amplify genes 2. Meiosis reduces chromosome number and rearranges genetic information. a. Explain ...
Unit 4: Genetics
Unit 4: Genetics

... 4.4.11 Define clone. Clone- a group of genetically identical organisms or a group of cells artificially derived from a single parent cell. ...
STUDY GUIDE FOR CHAPTER 12 – DNA Two Main Processes for
STUDY GUIDE FOR CHAPTER 12 – DNA Two Main Processes for

Seeking an Increasingly Explicit Definition of Heredity
Seeking an Increasingly Explicit Definition of Heredity

... Used x-rays to cause artificial gene mutations in Drosophila. ...
The Human Genome Project CH 13 Sec 3 notes
The Human Genome Project CH 13 Sec 3 notes

... –Organism or specific cell type –Make comparisons •_____________________________________________________________ –Spotted with DNA fragments •Store large amount of information Steps in DNA Microarray •Use ________ from 2 different cells •Convert to complimentary _________________ •Label DNA with ___ ...
Genetic Engineering
Genetic Engineering

... Both molecules become linear DNA with “sticky ends” 2. The two are mixed and the complementary sticky ends base pair with each other – creating a circle. 3. This genetically altered plasmid is put into a bacteria cell where it reproduces the protein that the DNA sequences for. Example: insulin ...
Plant DNA - The uniqueness of DNA
Plant DNA - The uniqueness of DNA

... uptake into the plant, as well as increase the surface area available for capturing light for photosynthesis. The expression of genes, short stretches of DNA that encode all the outward characteristics of organisms, may also be influenced by DNA replication. Each chromosome is composed of a differen ...
Biosem1Finalreview - Uplift Summit International
Biosem1Finalreview - Uplift Summit International

... Chargaff, Wilkins and Franklin, Watson and Crick Structure of DNA Base pairing rules DNA replication Central dogma Three types of RNA Transcription Translation Genetic code, codons; Interpreting the genetic code Steps in genetic engineering – cutting DNA, making recombinant DNA, Cloning, Screening C ...
Gene Technology
Gene Technology

... Requires recognition of coding sequences of gene, including promotors and enhancers ...
E:Med - uni-freiburg.de
E:Med - uni-freiburg.de

... Martin Vingron’s group • Sequence alignment • Microarray gene analysis • Gene regulation and evolution: – (combinatorial) TF DNA binding prediction – Histone modification  gene expression – Factors affecting mutation rates ...
Fall 2005 Due: 9/9 GENETICS Homework 1 1. (1 point) The
Fall 2005 Due: 9/9 GENETICS Homework 1 1. (1 point) The

... following table. Give the order of compound A, B, C, and D in a biochemical pathway. Outline a biochemical pathway ...
Genetic Engineering
Genetic Engineering

DNA notes File
DNA notes File

...  Mutations in the _____________ may not be as serious  Mutations in _____________ mean that the mutation is permanent.  Mutations bring ___________ to a species.  Mutations can be ________________ and _____________ ...
Unit 7 Review – DNA Replication, Gene Expression, and Gene
Unit 7 Review – DNA Replication, Gene Expression, and Gene

... sure you describe the actors involved in the process (e.g. donor gene, chromosome, vector, restriction enzyme, DNA ligase, target organism, cloning, etc.) ...
SBI4U: Molecular Genetics Unit Review
SBI4U: Molecular Genetics Unit Review

... 3. What is the difference between the 5’ end of nucleic acids and the 3’ end? Draw a diagram to show this. 4. When new DNA or RNA is synthesized, in which direction does it grow? 5. What are two different kinds of bonds that hold nucleic acids together? 6. Write the complementary DNA strand: 5’- A A ...
fix my dna text
fix my dna text

... Protein structure is determined by the DNA base code. Proteins are made from lots of amino acids joined together. Each amino acid is coded by the sequence (order) of three bases. For example, GGT codes are found in glycine but TCA codes are found in serine, a different amino acid. The sequence of ba ...
Biology Chapter 12 Review 5-6
Biology Chapter 12 Review 5-6

... a. Scientist(s) b. Organism(s) and/or viruses used c. Overview of experimental design/procedures d. One sentence conclusion 2. What type of macromolecule is DNA? 3. DNA is composed of what monomer? 4. What are the three units to the above monomer? 5. Identify the 4 different types of nitrogenous bas ...
Human Genome Video Guide
Human Genome Video Guide

... ________________ within us. 2. The human genome is basically all of our __________________. 3. We are made up of over 110 ________________ cells. 4. DNA has a hidden structure that makes it ideal for ________________. 5. The DNA is shaped like a ________________. 6. Chromosomes are the volumes that ...
History of Genetics
History of Genetics

... • 1910: Thomas Hunt Morgan: proved that genes are located on the chromosome • 1941: Beadle and Tatum - show how genes direct the synthesis of enzymes that control metabolic processes “1 gene = 1 enzyme” • 1952: Hershey and Chase - conducted experiments which helped to confirm that DNA was the geneti ...
< 1 ... 476 477 478 479 480 481 482 483 484 ... 492 >

DNA supercoil



DNA supercoiling refers to the over- or under-winding of a DNA strand, and is an expression of the strain on that strand. Supercoiling is important in a number of biological processes, such as compacting DNA. Additionally, certain enzymes such as topoisomerases are able to change DNA topology to facilitate functions such as DNA replication or transcription. Mathematical expressions are used to describe supercoiling by comparing different coiled states to relaxed B-form DNA.As a general rule, the DNA of most organisms is negatively supercoiled.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report