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16 Answered Questions for the topic pathology

Pathology Biology Microbiology

06/05/20

Is bacteria a type of cell?
It seems very similar to plant cells with cell wall, has a nucleus. They look like bad cells that do not need to be formed inside bodies, but once in bodies of animals, multiplies and creates... more
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07/19/19

Why is rabies incurable?
I'm still not sure about the mechanics that lead to rabies being incurable. I know that it can be treated before any symptoms show up, but why is it that once symptoms show the person is a dead man... more
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07/19/19

Have there been any positive public health effects due to UV lights?
Occasionally, in hospitals and in eating establishments in the US, they have industrial grade UV lights in sconces attached to the wall (though they seem to be less prominent as the years go by). I... more
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Pathology Microbiology

07/11/19

Difference between protozoa, protists, protoctista?
Are protozoa, protists, protoctista different classes of organisms or simply different names for the same?
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07/11/19

Does making yogurt from non-pasteurized milk work against possible disease bacteria?
In the past, when there was no pasteurization, could making yogurt from milk lower the chance of getting infected by bovine tuberculosis (or other diseases from infected milk)? For example, would... more
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Pathology Biology Genetics

06/07/19

How was gene therapy able to cure diseases through the transformation of actively dividing cells?
I thought that gene therapy, when performed on target cells that regenerate themselves constantly, can be effective for a limited time only. I.e., the effect gradually wears off after a while,... more
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06/05/19

Out of the Cell: toward the ribosome

Which is the cellular organelle that has two parts: Big and Small?
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06/05/19

Why do Kupffer cells not attack malarial sporozoites?
During malaria, why don't Kupffer cells (hepatic macrophages) attack the _Plasmodium_ sporozoites and stop schizogony, thus saving us from the disease?
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Pathology Biology Biochemistry

06/01/19

Is there any disease in adult human, other-than cancer, which-is resulted from mutation?
On all environmental articles I read about 3 impacts of mutagens (say Cigarette/ Naphthalene/ EtBr/ Colchicine/ ionizing radiation/ whatever )...**1**. direct effect on tissues, other than... more
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Pathology Biology

05/24/19

What are the differences between bacteria, fungi, viruses, protozoa, algae?
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Pathology History Genetics

05/22/19

How was the Huntington's disease gene's location found?
I read in the book "Why we get sick." by Nesse and Williams that:> Steady detective work and fabulous luck have enabled geneticists to> pinpoint the Huntington's gene on the short arm of... more
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Pathology Genetics Immunology

05/15/19

Why is an HIV infection considered "incurable"?
My biology teacher told me that if one caught HIV, they cannot be cured because it was near to impossible to be completely virus-free. She said this was because HIV keeps on changing its... more
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Pathology Pharmacology

05/15/19

How do antibiotics create drug-resistant strains?
I've heard for years that low-level use of antibiotics causes the spread of drug-resistant strains of bacteria, but the explanations always fall short. I understand mutations and natural... more
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05/15/19

What is the benefit of fever during infections?
When people get sick, they often develop a fever. What is the effect of an increased body temperature on viruses and bacteria in the body? Is it beneficial to the infected body? Importantly, often... more
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Pathology Zoology Entomology

04/21/19

Why is the species-diversity of deadly parasites greatest in the tropics?
There are so many parasites living in tropical regions of Africa, South America, or Asia, but very few in Europe or North America. Is this due to climate, or are there other reasons? Many of the... more
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04/10/19

Can a fungus become resistant to a chemical such as Potassium Permanganate?
A friend used potassium permanganate solution to treat tinea on the hands/feet but after some initial success, the tinea seems to be making a comeback. Could the fungus develop resistance to... more
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