Using the idea of concentration gradient explain why the purple colour of potassium permaganate gradually spreads throughout the
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The value which is being measured in the columns labeled "Fraction remaining" and "Percentage remaining" is: D. amount of material that has not decayed.
<h3>What is a radioactive decay?</h3>A radioactive decay can be defined as a radioactive process in which an unstable atomic nucleus undergoes a spontaneous transformation into one or more different atomic nuclei and simultaneously emits radiation, accompanied with a loss of energy.
<h3>The types of radioactive decay.</h3>In Science, there are three main types of radioactive decay and these include the following:
- Alpha decay
- Beta decay
- Gamma decay
Based on the information provided in the table (see attachment), we can reasonably infer and logically deduce that the value which is being measured in the columns labeled "Fraction remaining" and "Percentage remaining" is the amount of material that has not decayed.
Read more on radioactive decay here: brainly.com/question/23303931
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Discovery
In 1928 it was discovered by Frederick Griffith in an experiment generally known as transformation.
Experiment
In his experiment he considered two strains of <em>streptococus pneumonia,</em> one was R-type which was non-virulent and cause no disease in mice, other was virulent and S-type which cause disease and at last death of mice.
This experiment was comprised of four steps which are as follow:
Step 1:
First he injected living strain of S into mice, after sometime mouce died.
Step 2:
He injected living strain of R into mice, the mice alive as he did not got any disease.
Step 3:
He injected heat killed strain of S into mice and mice remain alive.
Step 4:
He mixed living R strain with heat killed S strain and then inject into mice. As a result the mice died.
Conclusion:
It was found that genetic material from heat killed S stain were transferred to living R (non-virulent) strain, as a result R become virulent and cause the death of mice.
In 1928 it was discovered by Frederick Griffith in an experiment generally known as transformation.
Experiment
In his experiment he considered two strains of <em>streptococus pneumonia,</em> one was R-type which was non-virulent and cause no disease in mice, other was virulent and S-type which cause disease and at last death of mice.
This experiment was comprised of four steps which are as follow:
Step 1:
First he injected living strain of S into mice, after sometime mouce died.
Step 2:
He injected living strain of R into mice, the mice alive as he did not got any disease.
Step 3:
He injected heat killed strain of S into mice and mice remain alive.
Step 4:
He mixed living R strain with heat killed S strain and then inject into mice. As a result the mice died.
Conclusion:
It was found that genetic material from heat killed S stain were transferred to living R (non-virulent) strain, as a result R become virulent and cause the death of mice.