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slava [35]
3 years ago
11

A reaction produces a gas, which is collected in a glass cylinder. when a glowing splint is placed inside the container, it burn

s brightly, as shown. which gas was produced in the reaction?
Biology
1 answer:
defon3 years ago
5 0

If a burning splint is placed in a container and burns more brightly in the presence of some gas already in the cylinder, that gas would probably be Oxygen.  

Oxygen is the main component of air that we need to breathe. It is the most commonly available oxidizer. Besides combustion, it plays many roles in our life such as; the food we eat requires oxygen which helps in digestion and absorption of nutrients by the cells.  


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Oduvanchick [21]
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A standard PCR cycle includes three steps: denaturation (95°C), annealing (55°C), and elongation (65°C).
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Denaturation process: The DNA template  

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For the denaturing process, the only ingredient that is required is the DNA template that will be separated from a double helix (or double strand) into a single strand, by increasing the temperature to 95 C, (at this temperature the hydrogen bonds that keep together the double stranded break). After the double strand is denatured, the following process is annealing. For this, the required ingredient are the primers; these primers will hybridize or anneal according to the nucleotide complementarity to the single strand of the DNA. Finally, for the Elongation process, you will require the Taq polymerase and the dNTPs. The enzyme will synthesize or “generate” a new strand of DNA based on the DNA template, using the provided dNTPs in the direction 5’ to 3’.

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