Mutagens increase the likelihood of mutations in DNA.
A mutagen is a chemical or bodily agent able to induce adjustments in DNA referred to as mutations.
Mutations end result both from mistakes in DNA replication or from the dangerous outcomes of mutagens, along with chemical compounds and radiation, which react with DNA and trade the systems of person nucleotides. All cells possess DNA-restore enzymes that try and limit the range of mutations that arise
Examples of mutagens encompass tobacco merchandise, radioactive substances, x-rays, ultraviolet radiation, and an extensive sort of chemicals.
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2+2=4. duh. IDK if this is a joke or what, but this is not high school.
A model is a way of describing natural phenomenon that scientists uses to make various prediction.
Explanation:
A model is said to be good if it is both accurate as well as easy to understand which makes powerful as well as simple. Most of the models have certain approximation those are necessary for describing a model. As the observations are not exact so there may be little difference between what we observe. Models which are simple increase the accuracy and becomes superior in nature as well.
There are certain limitation of model such as , most of the model cannot explain the complex natural phenomena. For example when we want to measure distance it becomes difficult ,in the model we can represent earth as a sphere but it is difficult to show variation in distance as there are valleys mountain ranges and other features.
Essentially there is a low blood supply that reaches the bone