Which substance on the plasma membrane identify chemical signals from outside the cell?
question 32 options:

carbohydrate chain

cholesterol

membrane protein

transport protein

after making a punnet square using bv bv bv bv you will find that the ratio will be 9: 7 or a 128.6% probability.

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the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.