• 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
葉部形態的研究一直是植物學家努力的目標
葉部形態的研究一直是植物學家努力的目標

... development of leaf in plant is influenced by a lot of factors, for example: the polar growth, distribution of phytohormone, cell differentiation, etc. Besides, leaf is the specific organ in plant but not in animal. Therefore, we summarize three major points resulting in research difficulty, first, ...
DNA in the garden poster
DNA in the garden poster

... renewable supply of chemicals and medicines. DNA technology can help: In faster and more precise conventional breeding. In genetic modification, either within species as in conventional breeding, or for introducing novel genes not possible through conventional breeding. ...
Chapter 21: Genomics I: Analysis of DNA and Transposable Elements
Chapter 21: Genomics I: Analysis of DNA and Transposable Elements

... elements (TEs), also called transposons, have sometimes been referred to as “jumping genes” because they are inherently mobile. They were discovered by Barbara McClintock in the 1950s through her classic studies with corn. Since then, geneticists have discovered many different types of TEs in organi ...
Cloning of recombinant DNA: using vectors
Cloning of recombinant DNA: using vectors

... fragment can form base pairs with the vector * Restriction enzymes (RE) are endonucleases that will recognize specific nucleotide sequences in the DNA and break the DNA chain at those points. A variety of RE have been isolated and are commercially available. Most cut at specific palindromic sites in ...
promoters
promoters

... A consensus sequence for rho-dependent terminators cannot be defined (high C and low G content). ...
Self Funded Research Opportunities Form Project Title : The role of
Self Funded Research Opportunities Form Project Title : The role of

... recombination between conserved protein-encoding genes that flank exchangeable gene cassettes. 40 different MME sites have been identified in Neisseria (Saunders and Snyder, Microbiol, 2002; Snyder et al., BMC Genomics, 2004; Snyder et al., Plasmid, 2005; Snyder and Saunders, BMC Genomics, 2006; Ben ...
Nessun titolo diapositiva
Nessun titolo diapositiva

... A consensus sequence for rho-dependent terminators cannot be defined (high C and low G content). ...
Exam 2 from Fall 11
Exam 2 from Fall 11

Ontology Alignment
Ontology Alignment

Evolution: Mutation
Evolution: Mutation

... The mutation which occurs during the removal of chromosomal DNA is called a deletion of genes. An inversion happens when a section of a chromosome rotates, but the genes are still present. A translocation occurs when a section of chromosome breaks and relocates itself to a different chromosome. A su ...
17.1 Genes and Variation 482-486
17.1 Genes and Variation 482-486

... Date ...
Modern Genetics Notes
Modern Genetics Notes

... never get transcribed. Many of these tandem repeats consists of short sequences repeated as much as 10 million times. Scientists do not understand very much about junk DNA. ...
Chapter 6 and 9 - Wando High School
Chapter 6 and 9 - Wando High School

... 3. List the light-dependent reactions of photosynthesis. What is the main goal of each? 4. List the light-independent reactions of photosynthesis. What is the main goal of each? 5. What is the gaseous waste product of photosynthesis? When does it occur? 6. What carbohydrate is made from photosynthes ...
Evidence For Evolution File
Evidence For Evolution File

Platelet-derived Growth Factor BB (human)
Platelet-derived Growth Factor BB (human)

... The ED50, calculated by the dose-dependant proliferation of murine BALB/c 3T3 indicator cells (measured by 3H-thymidine uptake) is < 1 ng/ml, corresponding to a Specific Activity of 1 MIU/mg. ...
Fact sheet RNA-directed DNA Methylation
Fact sheet RNA-directed DNA Methylation

Genetic Diseases Update
Genetic Diseases Update

... may be more cost effective. These tests are highly accurate but will only detect mutations that are tested for. Hence a negative test does not necessarily exclude a genetic disease. Methods commonly used include : i. Southern blot : This is a method that combines gel electrophoresis with the use of ...
36. For which term can fur colour be used as an example? (A
36. For which term can fur colour be used as an example? (A

... 51. In pea plants, tall is dominant over short and purple flowers are dominant over white. 500 offspring were produced from a cross between two pea plants that are both heterozygous for each trait. Approximately, how many of the offspring would be tall with purple flowers? (A) 30 (B) 90 (C) 280 (D) ...
DNA Repair & Recombination
DNA Repair & Recombination

... 3. T-T and T-C dimers: bases become crosslinked, T-T more prominent, caused by UV light (UV-C (<280 nm) and UV-B (280-320 nm) 4. Alkylation: an alkyl group (e.g., CH3) gets added to bases; chemical induced; some harmless, some cause mutations by mispairing during replication or stop polymerase altog ...
DNA - TG303
DNA - TG303

... And you try to guess but you’ll never know You do your best and you soldier on Every day you’re here till it’s time to go All the good things and bad that you do or don’t have You can find out for sure if you got’em But there’s a spiraling staircase that you’re falling down And you’re nothing but de ...
Chapter 16 Molecular basis of inheritance
Chapter 16 Molecular basis of inheritance

... overall direction of replication. It is produced as a series of short segments called Okazaki fragments. The many fragments are connected by DNA ligase, which catalzes the formation of a covalent bond between the 3’ end of each new fragment to the 5’end of the growing chain. ...
Translation PPT
Translation PPT

... From Gene to Protein ...
Chapter 30 DNA replication, repair and recombination
Chapter 30 DNA replication, repair and recombination

Chapter 6
Chapter 6

... – for RNA polymerase to displace octamers during transcription – for the histones to reassemble into nucleosomes after transcription ...
Mitosis Lecture
Mitosis Lecture

... a. involves the division of somatic (body) cells b. genetic material must be duplicated so each new cell can have a full set of instructions 2. Meiosis a. involves the division of germ cells (gametes - sperm & egg) b. genetic material must be reduced from a full set (diploid) to a half set (haploid) ...
< 1 ... 1602 1603 1604 1605 1606 1607 1608 1609 1610 ... 2254 >

Artificial gene synthesis

Artificial gene synthesis is a method in synthetic biology that is used to create artificial genes in the laboratory. Currently based on solid-phase DNA synthesis, it differs from molecular cloning and polymerase chain reaction (PCR) in that the user does not have to begin with preexisting DNA sequences. Therefore, it is possible to make a completely synthetic double-stranded DNA molecule with no apparent limits on either nucleotide sequence or size. The method has been used to generate functional bacterial or yeast chromosomes containing approximately one million base pairs. Recent research also suggests the possibility of creating novel nucleobase pairs in addition to the two base pairs in nature, which could greatly expand the possibility of expanding the genetic code.Synthesis of the first complete gene, a yeast tRNA, was demonstrated by Har Gobind Khorana and coworkers in 1972. Synthesis of the first peptide- and protein-coding genes was performed in the laboratories of Herbert Boyer and Alexander Markham, respectively.Commercial gene synthesis services are now available from numerous companies worldwide, some of which have built their business model around this task. Current gene synthesis approaches are most often based on a combination of organic chemistry and molecular biological techniques and entire genes may be synthesized ""de novo"", without the need for precursor template DNA. Gene synthesis has become an important tool in many fields of recombinant DNA technology including heterologous gene expression, vaccine development, gene therapy and molecular engineering. The synthesis of nucleic acid sequences is often more economical than classical cloning and mutagenesis procedures.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report