<h2>Application of radioactive dating</h2>
Explanation:
- It is used to detect the relationship between two closely related organism that are found from ancient period of time.
- It is also use to detect the age of a newly discovered fossil.
- Not only in the field of archaeology,it also used in the field of geology, sedimentology, for studying different lakes.
- Isotope of iodine is used in medical field, to detect the cancer cells.
- The isotope of carbon is used to detect the release of carbon in the ecosystem to monitor the release of old carbon which is stored in the soil thus it helps to detect the climate change which is done by anthropologenic disturbance.
Answer:A). genome chromosome DNA molecule gene
Explanation: A genome is the totality of the DNA or genes that make up an organism. A genome involves the total number of genes present in all the DNAs of all the chromosomes in an organism. An organism has many chromosomes, for instance humans have 46 chromosomes. These chromosomes are made up of DNA molecules. Chromosomes are DNA molecules arranged in a threadlike manner. Chromosomes contains all the genetic information upon which an organism is built. A DNA molecule is made up of coding and noncoding segments. The segments of the DNA that codes for a particular protein or RNA is called a gene.
The best answer is C.
The outermost covering of plant cells is called the cell wall. It is made up cellulose, is rigid and can be seen under a light microscope. It is absent in animal cells.
The outermost covering in animal cells is the cell membrane. It is made up of lipids, proteins, and small amounts of carbohydrates. It is a thin and delicate structure that can only be seen under an electron microscope.
Plant cells have both cell wall and cell membrane