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zhenek [66]
3 years ago
8

In what part of this process should safety precautions be planned

Biology
1 answer:
mafiozo [28]3 years ago
8 0
It should be that in every part of the process that <span>safety precautions be planned. This is because in every step there will always be hazard that comes with the process. Hope this answers the question. Have a nice day.</span>
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Give three reasons why you might have a situation in which bacterial colonies were found on the first section of a streak plate,
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Hi. You have not shown the sections this question refers to, nor have you provided more information about those sections. This makes it difficult for your question to be answered. However, I will try to help you as best I can.

Generally speaking, we can consider that there was no growth of bacterial colonies in sections 2 and 3, because, for some reason, the bacteria was not inoculated in sections 2 and 3. What could also have happened, is that the bacteria in the sections 2 and 3 were eliminated, but the bacteria from section 1 managed to survive and form colonies.

Another possibility is that after inoculating the bacteria in section 1, you didn't handle the bacteria correctly in the other sections, leaving that bacteria to dry out and die.

Finally, the culture media in sections 2 and 3 could be inappropriate for bacteria to develop and form colonies.

7 0
2 years ago
The compound sodium chloride is formed by which kind of bond? Covalent bond ionic bond hydrogen bond sodium bond
ehidna [41]

<u>Answer</u>: Ionic bond

<u>Explanation</u>:

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  • In sodium chloride, sodium loses one electron from its outermost shell (valence shell) whereas chloride gains it. Due to this sodium gains, a net positive charge and chloride gain a net negative charge.
  • So, due to the complete transfer of electrons that takes place from sodium to chloride, the compound generated (Sodium chloride) has an ionic bond.
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3 years ago
What was the purpose of the vinegar In the third trial?
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A)test the effect of raising Ph on enzyme action

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