Two examples of radioisotopes that can be used are carbon-14 to determine the age of fossils. Second, we can use iodine-131 to treat thyroid disease.
Eyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
Answer:
I wondered that too! maybe we are doing high school level questions?
Explanation:
<h2>
Option (B) is Right Answer</h2>
Explanation:
(B) chromatids are attached to one another
- <em>The linkage between the sister chromatids </em>is particularly critical at centromeres because it ensures right <em>microtubule connection to the kinetochores </em>
- In eukaryotes, a centromere is a district of DNA that is responsible for the development of the imitated chromosomes into the<em> two daughter cells during mitosis and meiosis</em>
- There is one centromere on every <em>chromosome and centromeres are responsible for two major functions</em>
- In eukaryotes, a centromere is a district of DNA that is responsible for the development of the imitated chromosomes into the <em>two daughter cells during mitosis and meiosis</em>
Quartz (also known as silica) is a crystalline pure substance composed of silicon dioxide (SiO2). It is ,therefore, homogeneous.
It is good to know that inhaling <span> finely divided crystalline silica can be poisonous and can lead to several diseases including lung cancer,</span> bronchitis as well as <span>silicosis.</span>
