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NISA [10]
3 years ago
7

What is homeostasis?

Biology
1 answer:
DiKsa [7]3 years ago
6 0
Homeostasis is maintaining stability in an organisms internal environment


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Signs and symptoms of sudden illness do not include:
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Answer: The correct answer is c. Bruising or rigidness of the abdomen.

Certain sudden illness can be related to chronic diseases of heart and lung infection.

Some of the common symptoms of sudden illness include dizziness, drowsiness, and unconsciousness. Signals of stroke or brain attack or cerebrovascular attack, shock or heart attack can occur. There can be blurred vision, sweating, nausea or vomiting, seizures, and diarrhea.

There is no symptom of bruising or rigidness of the abdomen in case of sudden common illness mentioned here.

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Describe the "folded-fiber" model of the mitotic chromosome.
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The folded-fiber model describes<span> how a chromatin fiber becomes a </span>mitotic chromosome<span>. Ernest DuPraw proposed the </span>folded-fiber model<span> after he had made many observations of metaphase </span>chromosomes<span>.</span>
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Why do gametes contain half the number of chromosomes as body cells?
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Explanation:

This is because meoisis division occurs in gamates which are sperm cell and egg cell . And in meoisis division the number of chromosomes for the daughter cells is half the number of chromosomes that the parent cell have. This is because when there is a fussion of male and female sex cells ,the zygote which is the daughter cell should have the 46 chromosomes which is the normal chromosomes for humans and when this chromosomes are in pairs then they should be in 23 pairs of chromosomes which are haploid and later be used for another cycle when the person matures and ready to reproduce

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