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Effectus [21]
3 years ago
12

A restriction enzyme: Please choose the correct answer from the following choices, and then select the submit answer button.

Biology
1 answer:
Dimas [21]3 years ago
8 0

Answer:

e. All of the above.

Explanation:

  • A restriction enzyme or restriction endonuclease is an enzyme that nicks or cuts DNA on a specific location after recognizing a specific sequence.
  • Restriction enzymes are widely used in cloning and biotechnological procedures.
  • The step of recombinant DNA technology requires the acquisition of the gene of interest (GOI). This is done by cutting it out of the donor genome.
  • Restriction enzymes perform this task by cutting on specific sequences. One important characteristic of restriction endonucleases is that they introduce "sticky ends" or overhangs in the donor sequence so it can be easily incorporated into the vector.

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Unlike normal cells that are controlled (reproduce only when needed) and are more specialized with specific functions, cancer cells are less specialized compared to normal cells and grow abnormally and rapidly. Cancers cells grow out of control, as they evade the normal control and ignore signals that activate apoptosis or programmed cell death which is used by the body system to destroy unwanted cells.

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3 years ago
1. How is the Burmese python impacting the Everglades ecosystem?
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1. The Burmese python is an invasive species in the Everglades ecosystem. This means its numbers increase dramatically due to lack of natural predators. The python is feeding on small mammals such as rodents that feed of egg of animals such as the turtles. This, therefore, causes a ripple effect on the food web in the ecosystem e.g  dramatically increasing turtle population.


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3. The number of Burmese pythons can be regulated by introducing a predator in the Everglade ecosystem. Examples of animals that can prey on the snake are eagles, pumas, lions, crocodiles, cobras, and humans. This will reduce the numbers of the Burmese python and restore the balance in the ecosystem.


5 0
3 years ago
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5 0
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Explain why mountain tops are colder as compared to plains? ​
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7 0
2 years ago
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3 years ago
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