Answer:
C.
Explanation:
Water is made up of H20. Hydrogen has a positive charge, and oxygen has a negative one, so the water molecule is polar(meaning it has an unequal sharing of electrons). Anyway, when water molecules connect, opposites attract, so the hydrogen(positive charge), is attracted to oxygen(negative charge). This is referred to as a HYDROGEN BOND, and isn't a bond, but an attraction. It allows for all the properties of water, which are essential to life. I could go on, but I don't want to put you to sleep.
Answer:
cytosine and thymine / C and T
Answer: b. Demonstration
Explanation:
Demonstration is a type of teaching method that is used to impart ideas by using image, graphic, picture or any visual element. It is used to show that something thus exists by giving proof. It is a type of teaching method that is used to show how something is done
The chromosomes the daughter cells produce through mitosis are the same. In mitosis, a cell duplicates the number of chromosomes in its nucleus to produce two identical daughter cells. So the original cell with 23 pairs (46 total), both daughter cells will have 23 pairs (46 total) each.
Answer:
Laboratory Supervisor/Principal Investigator.
Explanation:
The biohazard may be defined as any biological substance that can create problems for the living organisms. The substance can be either any bacteria, virus or any toxin.
The individual if working with any biohazard must read carefully and than start their work. This is the duty of principal investigator or the laboratory supervisor that they should include and show the written assessment of the experiments that might acts as biohazard.
Thus, the answer is Laboratory Supervisor/Principal Investigator.
