We should expect that the rat will have have more difficulty in learning the task compared to a normal rat. This is because the rat has been injected with a certain drug that oppresses the dopamine activity. And then the rat is placed in an operant chamber where a lever-pressing task is shaped through positive reinforcement.
epididymis-vas deferens-urethra
There would not be enough nutrients in the ground so the grass would possibly die
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Answer:Mitochondria
Explanation:Mitochondria is the powe house of a cell
