Galaxy, solar system, star, planet, moon
The correct answer is c. Genetic Variation. Bacteria are very numerous, ad random mutation of bacterial DNA generates a wide variety of change, including resistance.
I think the correct answer from the choices listed above is option A. During gene expression, a cell reads the instructions in dna and builds a protein based on those instructions. Gene expression <span>is the process by which information from a </span>gene<span> is used in the synthesis of a functional </span>gene<span> product.</span>
<span>Forces can be measured using a device called force meter. The unit of force is called the Newton. It is represented by the symbol N. A force of 2N is smaller than 7N. A force usually results from an interaction.</span>