It's c because Atoms contain three sub-atomic particles called protons, neutrons and electrons. The protons and neutrons are found in the nucleus at the centre of the atom.
Sounds like a trick question.
Maybe not. contamination is easy, but gloves are a barrier between other organic material on yourself (such as what you ate for lunch) and what you are testing.
Other than the fact your DNA will be different than another person’s DNA, if we assume you are theoretically free of debris of any kind, then your DNA would test the same always.
Note: any contamination after purifying extract for a small sequence can give false positives. There are repeat sequences possible that would interfere if you are testing a small enough sequence.
I hope that helps!
The manufacture and characterisation of silver oxide films for application as bactericidal coatings are described in the research.
- There are reports on the synthesis parameters, dissolution/elution rate, and bactericidal effectiveness.
- Reactive magnetron sputtering was used to generate the synthetic conditions necessary to produce AgO, Ag2O, or combinations of AgO and Ag2O on surfaces.
- All of the examined bacterial strains are hampered from growing by the coatings, which exhibit good adherence to numerous substrate materials.
- <em>Escherichia coli</em> and <em>Staphylococcus aureus</em> can be killed by the coatings, which also show a distinct zone of inhibition against bacteria growing on solid media and the capacity to quickly stop bacterial growth in planktonic culture.
Learn more about the bactericidal activity with the help of the given link:
brainly.com/question/7084201
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Answer:
the answer would be the 3rd answer
Explanation:
a half life is the time it takes for half of a radioactive substance to decay
I hope this helps :)
