a scientist plans to cut a segment of DNA so that it can be inserted into the DNA of a bacterium, a single celled organism. This scientist needs to use a special type of organic molecule to perform this cutting process. This molecule is

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Answer 1

Answer: The answer is an enzyme.

When cutting DNA, scientist uses enzymes called restriction enzymes. These enzymes are naturally produced in bacteria as a defense against phages. So, enzymes cut DNA of the phages and thus inactivate it. Also, these enzymes do not cat DNA randomly, but on specific sites. This characteristic of restriction enzymes is used for some molecular biology techniques. All species' DNA contains target sites of restriction enzymes, but most organisms do not have restriction enzymes. Therefore, restriction enzymes are suitable for different techniques.

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A student sets up an experiment according to the date table below.Based on the table,which question was the student most likely investigating ?

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Final answer:

The student was likely investigating the distribution of homework nights during a week, and should use a chi-square test of independence to analyze the data.

Explanation:

The student was most likely investigating the nights during which the highest number of students do the majority of their homework with equal frequencies during a week. This question relates to analyzing the distribution of homework nights throughout the week. To test this hypothesis, the student should use a chi-square test of independence, which compares the observed frequencies with the expected frequencies.

The chi-square test is a statistical method used to determine if there is a significant association between categorical variables. It compares the expected and observed frequencies in a contingency table, assessing whether any deviations are due to random chance or reflect a true relationship.

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Answer:

Which is faster, visual or auditory reaction times?

What are four properties that can be used to describe a mineral

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hardness,dienicty,texture and colors

Name the kind of tissues

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Epithelial tissue covers the body surface and forms the lining for most internal cavities.

Did hurricane celia create a record storm surge

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>>No Hurricane Celia did not create a storm surge.
Forty-five years ago this summer, Hurricane Celia blasted the Coastal Bend of Texas.
Hurricane Celia formed into a tropical depression in the northwest Caribbean Sea, west of the Cayman Islands, on
July 30th 1970. It clipped the northern portion of Cuba and became tropical storm Celia during the morning of August 1st when it entered the Gulf of Mexico. The intensification was brief as winds decreased to 90 mph during the morning of August 2nd.
>>>>Most of the destruction appeared to be similar to what is usually associated with a tornado,

What kind of compound is salt

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Salt is an ionic compound, although many people think its an organic compound. Hope this helps.

Salt, NaCl, is an ionic compound considering Sodium is a Metal and Chlorine is a Non-Metal

As a plant grows toward the sunlight to gain maximum energy through photosynthesis, it is responding to a external stimulusWhy?

Answers

No because you need oxygen for the plants to gain photosynthesis

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