Type IV hypersensitivity is also known as cell-mediated hypersensitivity because it is the result of the exchange of T lymphocytes and the specific antigen to which they have been sensitized.
<h3>What is hypersensitivity and its categories?</h3>
Hypersensitivity (also called hypersensitivity reaction or intolerance) refers to unwanted reactions assembled by the normal immune system, including allergies and autoimmunity. They are usually referred to as an over-reaction of the resistant system and these reactions may be damaging and uncomfortable.
<h3>
What induces hypersensitivity?</h3>
Hypersensitivity syndrome is caused by a complex set of relations between a medicine, your own immune system, and viruses in your body, particularly herpes viruses.
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Answer:
Landowners charged interest and caused farmers to go into debt.
Explanation:
The cost of sharecropping was higher than the income they made which kept the sharecroppers in a condition of constant debt and poverty.
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There are a lot of Quizlets about sharecropping that I highly recommend you go and check out!
They got it from China since they had silk and porcelain there
Answer:
b. learn the maze more quickly than rats that have never been exposed to the maze.
Explanation:
Since the rats are getting rewarded on completing the maze.There is a food reward.So next time they will try to clear the maze fast and smartly than the rats that have never been to the maze.
The rats which already been to the maze will be having memories of the last time they went to the maze.
hence the answer is option b.