The concentration of glucose outside the cell is higher than the concentration of glucose inside the cell, thus there is a concentration gradient. The molecules of glucose move randomly and there is a net movement from outside to the inside, down the concentration gradient.
During the krebs cycle NADH (Nicotinamide adenine dinucleotide) and FADH (<span>Flavin adenine dinucleotide) are made and used in the electron transport chan. Hope this helps!</span>
Idk the options but it could be genetic variation
Answer:
I believe you just answered it yourself. they development an immunity to insecticides the more they are exposed to it.
The answer to your question is C,"Climate". (':
