Answer:
according to ohms law v= ir so i =50/150, =0.33
Only bacteria have peptidoglycan in their cell walls
Variations in a genotype could be major or minor. It really depends on the degree of change. A genotype changes due to errors mutations. Some are endogenous, occuring with the organismm often during meiosis that causes changes in a genotype.
Learn more about here: https://www.quora.com/What-causes-variation-in-genotypes-How-does-this-occur
I think its D but im not sure this question is confusing.