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Several detection methods of microbial growth
Time of Update: 2021-01-09
related topics summary: The detection of microorganism , whether in theoretical research or in production practice, is of great significance, in this paper, the growth measurement method, microbial counting method, physiological index method and commercial rapid microbial detection briefly introduced the use of microbial weight, volume, size, physiological metabolites and other indicators of more than 20 commonly used detection methods, briefly introduced the principles of these methods, application scope and advantages and disadvantages.
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Land money (M archantia Polymorpha)
Time of Update: 2021-01-09
The characteristics of the earth money are leafy flat, ribbon-like, multi-back branches, light green or dark green, about 1 cm wide, up to 10 cm long, slightly waveged edges, more interwoven into pieces of growth.
Male tray-shaped, wave-like shallow crack into 7 8 flaps.
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Brazilian rubber
Time of Update: 2021-01-09
Have sex breeding will be the hybrid parent of the sexual line repeated hybridization, with the resulting seeds into 200-300 seedlings, to participate in the advanced sexual system comparative test, cutting glue for 5 years, and then selected excellent performance of the sexual line, you can use its parent to plant double asexual seed garden, the production of natural pollination seeds, as a good planting material for production and use.
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Rhododendron simsii
Time of Update: 2021-01-09
The roots, leaves and flowers of azaleas are medicinal and contain a variety of chemical components, which have the effect of live blood pain relief and rheumatism.
There are more than 50 species in China, such as the common ornamental plant azaleas, which belong to the Yingshan Red Sub-Genus.
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Experiment 39 Algae plant photolytic intensity determination
Time of Update: 2021-01-09
experiment 39 algae photolytic intensity determination principle Algae plants in photocodesic absorption of CO2 , release oxygen. By measuring the oxygen content of the water in the algae container
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Experiment 22 Exchange and absorption of ammonium ions from the root of the exosome
Time of Update: 2021-01-09
。 Instrument pharmaceutical 721 type -photonometer flame photon triangle pipe large test tube capacity bottle 0.1mol/L Tris buffer, pH8.0.
Take another triangular bottle and add 30 ml of ammonium sulfate solution, but do not put the root system for a more positive.
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ELISA Detection of Foreign Proteins
Time of Update: 2021-01-09
Subsequently, a number of further innovations have increased the power and utility of immunoassay.
Second, the use of enzyme-linked immunosorbent assays (ELISAs) has obviated the need for handling radioisotopes ( 3 ) and consequently widened the utilization of immunoassays from clinical research to virtually all areas of biological analysis ( 4 ).
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Anthocyanidin
Time of Update: 2021-01-09
PH does not change much in plants, so pH is not the main control factor for colors such as petals, the more important control factors are: pigment content; The latter is blue, although in neutral conditions.
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Pineapple.
Time of Update: 2021-01-09
Leaves without thorns or less thorns, representing varieties such as "no hedgehogs", "sharawa" and so on, widely cultivated around the world, has more than 150 years of history.
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Sinosiphonia
Time of Update: 2021-01-09
In each section of the reproductive hairline of the spore body, , surrounding axle cells develop into spore sacs, which are four-sided conical division.
Mature cystic or sac-shaped, with a hole in the cystic hole, and small healing cells at the base to produce spores.
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Alginic.
Time of Update: 2021-01-09
the brown algae gate, is a higher level of evolution of algae. Its main features are: plants are multicellular types, no single cells, plant size differences are very large, small height of about 1
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Translating Ribosome Affinity Purification (TRAP) for Cell-Specific Translation Profiling in Developing Flowers
Time of Update: 2021-01-09
To obtain cell-specific gene expression profiles, translating ribosome affinity purification (TRAP) has been developed to label polysomes containing translating mRNAs in genetically defined cell types.
Here, we describe the immunopurification of epitope-labeled polysomes and associated RNAs from target cell types.
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Orange Algae Genus (Trentepohlia)
Time of Update: 2021-01-09
Plants are 1 column of cells branched silky body, the volt part is small, erect part developed, cell cylindrical and slightly puffed in the middle, thicker walls, only 1 nuclei at an early age, old can contain polycytes, containing several discs, or spiral ribbon-shaped and round-positioned pigments, protein-free nuclei.
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Pest Control
Time of Update: 2021-01-09
We use Dimilin G (4% diflubenzuron) from Maag AG to fight the small dipteran black flies (Trauermücken).
Spray it from some distance onto plants or walls, shelfs etc.
We also use Solbac from Biocontrol AG to fight black flies.
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Growth delayer (growth retardant)
Time of Update: 2021-01-09
refers to synthetic organic compounds that inhibit cell division at the sub-top of plant stems or in the cell division of cells.
With B9 , other organisms can hinder the biosynthetic synthesis of erythromycin.
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Foxtail algae
Time of Update: 2021-01-09
Female calycel and sub-room, with deep grooves, no cracks or 4 cracking, petals small or missing, sub-room, flower column 4 (2 ) crack, usually curved, feathered column head.
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Two-fold-era flora
Time of Update: 2021-01-09
The flora of the Rauya ancient land in the northern hemisphere gradually differentiated, forming 4 different plant areas in The Angara Region, Europe and the United States (Atlantic), West North America (North America) and Huaxia by the end of the Second World.
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Determination of the total amount of free amino acids in plants
Time of Update: 2021-01-08
1, principle foling amino acids amino acids can react with hydrated tritones, resulting in blue-purple compounds, the depth of its color is directly related to the content of free amino acids. II,
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Measures to improve the efficiency of photo-cooperation
Time of Update: 2021-01-08
The effect of increased carbon dioxide content in the air on photocodychroidism in C3 plants is much greater than on photocodychroidism in C4 plants, as high levels of carbon dioxide increase the activity of 1,5-Dphosphate glycosterase, enhance the binding capacity of 1,5-DSphosphate to carbon dioxide, and inhibit light respiration.
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Expression Library Screening
Time of Update: 2021-01-08
When trying to identify a clone within a c DNA library, which may contain a coat protein (CP) gene, one useful technique may by immunological screening, using antibodies raised against either purified virus or isolated CP.
