An example of an dramatic environmental event can be deforestation, or it can be animals losing their homes.
Answer:
Some mutations can be contagious, like infections
Explanation:
A mutation refers to a change in the DNA sequence. Mutations result from a number of causes. It is a permanent alteration in the structure of the DNA.
Not all mutations are harmful. It has been scientifically proven that some mutations make organisms more infectious.
For instance, the new mutant of Corona virus in UK is more infectious than the former strain.
Simon flexner an american doctor
Answer:
the same number of cells in both.
Explanation:
Nutrient broth is a general purpose medium that can be used to cultivate different variety of both fastidious and non-fastidious microorganisms.
Nutrient broth is known to contain or compose of simple peptone and a beef extract.
It is known to be used for bacteria that will not form colonies on a solid surface.
Nutrient broth can be prepared through this following steps
* Add 13g of nutrient broth powder in 1L of distilled water.
* Mix and dissolve them completely.
* Pour them into the final containers (eg. conical flask)
* Sterilize by autoclaving at 121°C for 15 minutes.
In this case, since the 100 ml and 1000 ml is prepared using the same method, it is expected to have the same number of cells in the same volume of the broth.
