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... In prokaryotic cells, DNA is located in the cytoplasm. Most prokaryotes have a single DNA molecule containing nearly all of the cell’s genetic information. Eukaryotic DNA is located in the cell nucleus inside chromosomes. Each chromosome contains a single, long, coiled DNA molecule. The mitochondria ...
problem set
problem set

... units that tandemly repeat over 20-100 kb lengths of genomic DNA. Minisatellite DNA consists of 15-100 bp sequence units that tandemly repeat over 1-5 kb stretches of DNA. Microsatellite DNA consists of 113 bp units that can repeat up to 150 times. Although the sequences of satellite DNA are highly ...
Section 4-2C
Section 4-2C

... _____ 3. What are the structures that strands of DNA are bundled into in a cell with a nucleus called? a. nucleotides c. chromosomes b. loose loops d. tight chains 4. A string of nucleotides that give the cell information about a certain trait is known as a(n) ______________________. 5. How many chr ...
Conference Abstract template - 12th Pacific Science Inter
Conference Abstract template - 12th Pacific Science Inter

this certificate as PDF
this certificate as PDF

... This certificate is issued based on tests performed on DNA samples to PiGen by accredited veterinarians and/or FCI officials appointed by the persons that confirmed, on the date of DNA sampling, to be the respective owners of the pigeons with the ringnumbers mentioned in this certificate. ...
Lecture ** - Telomeres
Lecture ** - Telomeres

... The "problem" of linear chromosome ends: a) 5'->3' DNA replication of "lagging strand" b) How does cell discriminate between DNA double-strand breaks (which are also “ends”) and the natural ends of chromosomes? The solution: telomeres! a) Telomere structure: Repetitive DNA sequences at ends of chrom ...
recombinant dna technology
recombinant dna technology

... • FIRST, THE PLASMID IS TREATED WITH THE SAME RESTRICTION ENZYME AS WAS USED TO CREATE THE DNA FRAGMENT • THE RESTRICTION ENZYME WILL CUT THE PLASMID AT THE SAME RECOGNITION SEQUENCES, PRODUCING THE SAME STICKY ENDS CARRIED BY THE FRAGMENTS • MIXING THE FRAGMENTS WITH THE CUT PLASMIDS ALLOWS BASE-PA ...
Title:  P.I.’s :
Title: P.I.’s :

... phenotypes under different environmental conditions. Genetic differences determine much of this phenotypic variability. It is increasingly becoming clear that this variability cannot be completely explained by genetic mechanisms alone. Recent studies suggest that environmental factors cause epigenet ...
Exp 4 Lecture - Seattle Central College
Exp 4 Lecture - Seattle Central College

... • Genetic transformation involves the insertion of some new DNA into the E. coli cells. In addition to one large chromosome, bacteria often contain one or more small circular pieces of DNA called plasmids. • Plasmid DNA usually contains genes for more than one trait. Genetic engineering involves ins ...
20 - Biotechnology
20 - Biotechnology

... organisms or their components for the purpose of making useful products. ...
Biotechnology
Biotechnology

... organisms or their components for the purpose of making useful products. ...
Eucharyotic Chromatin Organization
Eucharyotic Chromatin Organization

... Why is the control of gene expression more complex in eukaryotes than prokaryotes ? (2)  4) cells that require cell specialization or ...
Biology II - Acpsd.net
Biology II - Acpsd.net

... that occur during that process Interactive lecture and direct teaching  DVD: Secret of Life  Summary paragraph ...
Print › Benchmark Second Nine Weeks | Quizlet | Quizlet
Print › Benchmark Second Nine Weeks | Quizlet | Quizlet

... What is genetic material within a cell? ...
Student Name: Teacher
Student Name: Teacher

... 18. Abnormal cells (often mutations) that reproduce rapidly eventually overwhelming normal cells and causing death in most organisms are called: A. ...
11/01 Molecular genetic analysis and biotechnology
11/01 Molecular genetic analysis and biotechnology

... • Type II restriction enzyme: most useful enzyme • By adding methyl groups to the recognition sequence to protect itself from being digested by its own enzyme in bacteria ...
Name Ch 9 Homework- KEY 1. Cystic fibrosis is a recessive genetic
Name Ch 9 Homework- KEY 1. Cystic fibrosis is a recessive genetic

... 5. All the offspring of a cross between a black-eyed fly and an orange-eyed fly have black eyes. This means that the allele for black eyes is ________ the allele for orange eyes. (1) A) codominant to B) recessive to ...
Microbiology Study Guide – Exam #2
Microbiology Study Guide – Exam #2

... o antiparallel orientation of strands in DNA (or base pairing within RNA) o the requirement of an origin of replication (Ori) o concepts of a replication bubble, replication fork o the roles of the following proteins/enzymes in the replication process (in E. coli) ...
Document
Document

... •Information of the DNA is copied by directing the synthesis of a RNA molecule in a process called transcription •RNA directs the protein synthesis in a translation •Protein’s 3D structure determines it’s function •Information can transfer only in one direction ...
Southern hybridization
Southern hybridization

... Synthesis termination Dead-end product ...
Review Questions
Review Questions

BIOL 212 General Genetics
BIOL 212 General Genetics

Slide 1
Slide 1

... thin threads, which cannot be seen with a simple microscope As the nucleus prepares to divide, these threads undergo coiling and become much shorter and thicker. Chromosomes of eukaryotic cells are associated with proteins. Each chromosome contains a single molecule of DNA along with associated prot ...
Lecture
Lecture

... replication ...
Replication and Protein Synthesis Test
Replication and Protein Synthesis Test

... The backbone of one strand of a DNA molecule starts at a deoxyribose sugar and ends at a phosphate group. This strand a. is the coding strand. b. is the template strand. c. runs in the 3’ to 5’ direction. d. runs in the 5’ to 3’ direction. e. is unlikely to be transcribed into RNA. The two strands o ...
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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.
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