Answer:
B.
Explanation:
Peroxisomes are formally defined as single membrane-bound organelles that contain enzymes. During a Differential centrifugation the cell membrane is divided and split into two parts releasing the cell's components. Therefore to determine whether you have a suspension of peroxisomes you should look for a double membrane bound organelle.
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Answer:
1. In this case, parents yell at the boy to do the dishes due to frustration with a refusal of their request. It is a negative reinforcement as the boy did the dishes after yelling by the parents to avoid yelled at by parents again
2. Boy's poor work in washing the dishes is noticed by the mother to avoid the unpleasant work mother relived him from the job he was assigned which strengthen behavior of the boy of doing his jobs poorly which is again a negative reinforcement.
3. Negative reinforcement to force the boy to do the dishes leads to a poor job from the side of the boy. To avoid this parents must apply negative reinforcement by stoping pocket money, Tv time, or other things.
Water quantity is the timing and total yield of water from a watershed, and is measured by total yield and peak flow over a specified period of time. Water quality is the suitability of water for drinking, recreational uses, and as habitat for aquatic organisms and other wildlife (Neary 2002).
