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Mice21 [21]
3 years ago
14

One device used for electrical safety involves a metal strip that bends when it gets hot. This bending flips a switch which inte

rrupts the current. What is this device called?
Biology
1 answer:
kirill115 [55]3 years ago
7 0

Answer: An Electrical fuse

Explanation: An electrical fuse is a small, thin metallic conductor designed to melt and/or separate into two pieces for the purpose of breaking a circuit. electrical fuse interrupts circuit current in the event of electrical hazard. A circuit breaker is designed to automatically disconnect to an overcurrent condition.

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In the late 1980s and early 1990s, the percentage of Icelandic children whose bacterial infections were caused by bacteria resis
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Answer:

The correct answer would be - "bacterial populations evolve in response to the selection pressure imposed by antibiotics".

Explanation:

The given information provided in the question about the bacterial infection supports the hypothesis that the bacterial population shows the evolution in response to the selection pressure caused by the antibiotics due to the fact that bacteria increased resistance gradually with time. This resistance towards antibiotics increased the percentage of bacterially infected children in the late 1980s and early 1990s.

In this case, the population of bacteria having resistance genes is selected to evolved selected to increase their offsprings.

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2 years ago
Why are frogs and toads different explain using complete sentances.
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Answer:

Frogs have smooth or slimy skin that is moist, whereas toads have thicker, bumpy skin that is usually dry. All toads are poisonous, while frogs are not.

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2 years ago
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The breakdown of chlorophyll reveals the _____ pigments of a leaf.
maks197457 [2]

the breakdown of chlorophyll reveals the carotenoid pigments of a leaf.

I hope this helps!

7 0
2 years ago
When there is insufficient research to determine the rda for a nutrient, the ______, based on estimates of intakes that appear t
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Correct answer: Adequate intake

It is a recommended intake value that given based on experimentally determined approximation or the estimates of the nutrients intake by a group of healthy people.

It becomes an important guide in the absence of enough scientific evidence in order to establish an estimated average requirement. Adequate intake of a nutrient is determined after a lot of observation and research.

Hence, the correct answer would be Adequate intake.

8 0
3 years ago
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Eukaryotic genomes have gene sequences that can code for more than one polypeptide sequence because _____.
ipn [44]

Answer:

The  correct answer would be -A pre-mRNA becomes mRNA by cutting out different introns

Explanation:

During the process of the RNA splicing, pre-mRNA has several specific segments of sequence that are identified by the spliceosome and then removed from the pre-mRNA. Specific parts that are removed are known as introns and the parts that stuck to become mRNA are exons.

Gene sequences in the eukaryotic genome can code for more than one protein due to removing the different introns every time to become mRNA from pre mRNA.

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