When.com Web Search

  1. Ads

    related to: grade 11 chemistry lab manual class 12 biology

Search results

  1. Results From The WOW.Com Content Network
  2. File:Chemistry Lab Practical for students of class XII.pdf

    en.wikipedia.org/wiki/File:Chemistry_Lab...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. Pipette - Wikipedia

    en.wikipedia.org/wiki/Pipette

    A pipette (sometimes spelled as pipet) is a type of laboratory tool commonly used in chemistry and biology to transport a measured volume of liquid, often as a media dispenser. Pipettes come in several designs for various purposes with differing levels of accuracy and precision , from single piece glass pipettes to more complex adjustable or ...

  4. Graduated pipette - Wikipedia

    en.wikipedia.org/wiki/Graduated_pipette

    The class specification or serial number of Class B are not marked. Standard design The Genre 1 and Genre 2 the tapered delivery tips are different: for Genre 1, the tip is between 15 and 30 mm long, for a 5 ml capacity pipette, and between 20 and 40 mm, for 10 to 50 ml capacities; for Genre 2, the tip is longer, between 50 and 65 mm in length.

  5. TE buffer - Wikipedia

    en.wikipedia.org/wiki/TE_buffer

    TE buffer is a commonly used buffer solution in molecular biology, especially in procedures involving DNA, cDNA or RNA. "TE" is derived from its components: Tris, a common pH buffer, and EDTA, a molecule that chelates cations like Mg 2+. The purpose of TE buffer is to solubilize DNA or RNA, while protecting it from degradation.

  6. Biochemical engineering - Wikipedia

    en.wikipedia.org/wiki/Biochemical_engineering

    Bioreactor. Biochemical engineering, also known as bioprocess engineering, is a field of study with roots stemming from chemical engineering and biological engineering.It mainly deals with the design, construction, and advancement of unit processes that involve biological organisms (such as fermentation) or organic molecules (often enzymes) and has various applications in areas of interest ...

  7. Escherichia coli in molecular biology - Wikipedia

    en.wikipedia.org/wiki/Escherichia_coli_in...

    The different strains have been derived through treating E. coli K-12 with agents such as nitrogen mustard, ultra-violet radiation, X-ray etc. An extensive list of Escherichia coli K-12 strain derivatives and their individual construction, genotypes, phenotypes, plasmids and phage information can be viewed at Ecoliwiki.

  8. Laminar flow cabinet - Wikipedia

    en.wikipedia.org/wiki/Laminar_flow_cabinet

    Preparation of microbiological samples in a laminar chamber. A laminar flow cabinet or tissue culture hood is a partially enclosed bench work surface designed to prevent contamination of biological samples, semiconductor wafer, or any particle-sensitive materials.

  9. Extraction (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Extraction_(chemistry)

    Laboratory-scale liquid-liquid extraction. Photograph of a separatory funnel in a laboratory scale extraction of 2 immiscible liquids: liquids are a diethyl ether upper phase, and a lower aqueous phase. Soxhlet extractor. Extraction in chemistry is a separation process consisting of the separation of a substance from a matrix. The distribution ...