A carcinogen is a cancer-causing substance.

Biology

2 answers:

GREYUIT [131]2 years ago

8 0

it is true a carcinogen is a cancer causing substance

aalyn [17]2 years ago

6 0

True, cacrinogen is a cancer causing substance that have the ability to damage the genome or to the disruption of cellular metabolic process.

Carcinogen doesnt necessarily an immidiate toxic, but the effect can be insidours.

In our daily life, we can found a carcinogen in a burned food, thats why we should be careful not to overcook our barbecue to avoid this substance

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a culture of e. coli is irradiated with uv light. the highest frequency of mutations would be obtained if after the irradiation,

Klio2033 [76]

Oftentimes UV light can cause the genetic code of an organism to mutate, leading to a variety of errors, some of which are not compatible with life.

UV light is considered to be a mutagen. What this means is that the exposure of cells to UV light often leads directly to a mutation in the genetic code of that cell. This correlation has been studied extensively and shown to affect the nucleotides of DNA, which are:

A base (adenine)
T base (thymine)
G base (guanine)
C base (cytosine)

The exposure to UV light causes the base nucleotides in the DNA of an organism to oxidize. This oxidization causes the base pairs to form dimers. Most often the dimer formed is of a <u>thymine base</u>. This can be thought of as the fusion between two thymine bases, which will alter the frame in which DNA is read and <u>cause all sorts of abnormalities</u>.

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