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MissTica
3 years ago
5

Georgia is performing an investigation about what happens to bread when it is put into a toaster. She notices that the longer th

e bread is in the toaster, the darker it gets. Based on her investigation, which of the following is an observation?
Burned toast is black and doesn't taste good.
The toaster is causing a chemical change by burning.
The toaster is not working properly.
The toaster is overheating and turning the toast black.
Biology
1 answer:
lesantik [10]3 years ago
3 0

Answer:

The toaster is causing a chemical change by burning.

Explanation:

quizziz

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Question 4 options:

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3 years ago
Which statement best describes the relationship between proteins and nucleic acids?
swat32
Three-letter sets, or codons, of nucleic acids "code" for individual amino acids. Amino acids form proteins. 
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3 years ago
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Due to their function, nerve fibers which carry afferent impulses are known as afferent nerves or sensory nerves, and those nerve fibers which carry efferent impulses are known as efferent nerves or motor nerves.

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2 years ago
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3 years ago
After incubation, you observe that your streak-plate has heavy, uniform growth but no isolated colonies. Which of the following
Vadim26 [7]

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Option 3 and 4 are most likely correct

Explanation:

<em>Option 3</em>: We know that area 1 would contain heavy streaking and not single colonies. Therefore, if the loop crosses area 3 and enters area 1, it will definitely result in heavy streaking again.

<em>Option 4</em>: We always need to sterilize properly the loop when streaking in different areas. If we don't do it, it is possible that the loop contains a lot of bacteria that would be streaked again.

Options 1 and 2 are incorrect because, according to question, there is a uniform growth but no isolated colonies. So, contamination or mixed culture would not produce uniform growth streaking rather mixed with other bacterial types.

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