Answer:
Aerosols may be created when the hot loop touches the culture.
Explanation:
The insertion of the hot loop, will make the broth and the bacteria to boil briefly, and this will create aerosols containing bacteria.
This is very dangerous especially to the students , because the aerosols created is air borne and can be inhaled by the student and enter the respiratory tract, or settle on his/her skin.
Note that, when a loop produce a hissing sound when placed in a broth culture means that, it has not cooled sufficiently or as expected.
Answer:
The flu virus mutates
Explanation:
We need a new vaccine for each new strand of a flu virus
Answer:
The three parts of a nucleotide are:
- A phosphate group
- Nitrogenous base
- Five-carbon atoms
Explanation:
These are the three parts that make up a nucleotide.
B) climate
Climate is influenced by all of the factors listed in the question, as well as ocean currents, temperature and percipitation.