Answer:
D. chromosomes of every cell.
Explanation:
Chromosomes are the main holding organelles that contain genetic information. All cells have a set of 46 chromosomes (that is depending on certain people). In these chromosomes, a certain number contains the genetic code for hair color. Therefore, we know that chromosomes are present in every cell and have genetic information about hair color and many other things.
Answer:
True.
Explanation:
Antibiotics may be defined as the chemicals that are required to stop the growth and kill the other living organism. These antibiotics have been developed against bacteria, fungi and microorganisms.
The excess use of the antibiotics leads to the development of the resistant strain against that particular antibiotic. People should not overuse or misuse the antibiotics as they may become resistant and antibiotics will not effect the pathogens of that individual organism.
Thus, the correct answer is option (a).
Answer:
Endospores
Explanation:
Autoclaving is a sterilization method that involves the use of high temperature and pressure. In medical application, it is used for the sterilization of medical equipment and also used for vulcanizing rubber and curing coatings in the chemical industry.
Autoclaving process destroys living cells as well as bacterial endospores. Endospores are tough non reproductive structures produced by some bacteria. They have the ability to be dormant, hence can enable bacteria to survive environmental stress.
