11 is b but I don’t know the rest sorry
A.) A car door since it lets people come in and get out. But, only who allows to come in. Ex: Like the members of the cells or the people entering/exiting the car.
The cells of the body are perfectly capable of making proteins with a life span of many months, still the cells make proteins which are short-lived. On one hand, they make proteins like hemoglobin having a life span of approximately 120 days, and on the other hand, it makes proteins with life span of few days, such as a tumor suppressor protein. The short lived proteins have their own advantage, as they allow the cells to control their function, and amount precisely.
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They would starve and die unless they could move to another habitat. All the other animals in the food web would die too, because their food supplies would have gone..
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The science of biology explains the origin and persistence of life, and studies the changes in living things
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