Both use ion channels to move ions across the cell membrane, in or out of the cell. Differences: Passive Transport (or Diffusion) moves ions from high concentration to low, using no metabolic energy. Active Transport moves ions from low concentration to high, using metabolic energy in the form of ATP.
Answer:
b. a person has an emotional need for a drug
There are different categories you can pick from example Predation
Answer:
Dependent Variable
Explanation:
An experiment has dependent and independent variables. The dependent variable is the one that is being studied and responds to the independent variable.
In the given experiment, the effect of a new drug is being studied on blood pressure. Here, the blood pressure (systolic and diastolic blood pressure) is supposed to change in response to drug treatment.
So, blood pressure is a "dependent variable" while the drug treatment is "independent variable".
I thinking the answer was for some genes, both alleles express together. Others combine to give an average phenotype....
