Answer:
Option C
Explanation:
For chagarff's rule, it clearly states that DNA from any cell of any organisms be it prokaryotes or eukaryotes should have the basic 1 (purine): 1 (pyrimidine) ratio. Particularly, amount of adenine should be equal to thymine, and guanine equal to cytosine. This is in particular reference to organisms that have double stranded DNA.
The compound eye and eye is built differently from the vertebrate eye
Answer:
Gelation is the analytical signal used for the qualitative and quantitative detection of lipopolysaccharides. Bacterial endotoxins are lipopolysaccharides (LPS) located exclusively on the outer membrane of gram-negative bacteria; Their presence in injectable pharmaceutical products may be associated with problems during production, there are established endotoxin limits for this type of product. When the reagent is faced with solutions containing endotoxins, it produces gelling.
Explanation:
The LAL (Limulus Amebocyte Lysate) test is used to detect and quantify endotoxins associated with gram-negative bacteria. It is based on the amebocytes from the blood of the Limulus polifemus crab gel in the presence of minimal concentrations of endotoxin (ng / ml of blood ). It is positive in 60% of bacilli due to gram-negative enteric bacilli. The presence of endotoxins is determined by the formation of an insoluble gel or clot. The reaction requires the presence of divalent cations. The speed of the reaction depends on the endotoxin concentration, the pH and the temperature. The lysate contains a cascade enzyme system that is progressively activated in the presence of endotoxins. As a final result, the coagulable protein (coagulogen) is transformed into a gel (coagulin), which is the basis of the tube gel method.
Answer:
In complete dominance, only one allele in the genotype is seen in the phenotype. In codominance, both alleles in the genotype are seen in the phenotype. In incomplete dominance, a mixture of the alleles in the genotype is seen in the phenotype.
Explanation:
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The sources of compost for a person living in Canada versus a person living in Arizona are as below:
Canada:
- Management systems working on reduction, reuse, composting.
- Non-profits.
Arizona:
- The US government
- Government management systems
