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Gre4nikov [31]
2 years ago
7

Does anyone know what we need to do on here?

Biology
1 answer:
Lera25 [3.4K]2 years ago
3 0

Answer:

identify the variables

Explanation:

control:type of lemon used

dependent:whether apple slice turns brown at pH>2

independent:pH value

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pishuonlain [190]

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What is the advantage of having Complexes I, III, and IV associated with one another in the form of a respirasome?
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iragen [17]
Animals, they only have a cell membrane, not cell walls. 
I don't know what the answer choices were, though, but I hope this helps. 
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