Answer:
The students have medium potential energy on platform A. They have high potential energy on platform B, and low potential energy on platform C.
Explanation:
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Answer:
Phloem is responsible for carrying the products of photosynthesis from the leaves to the non-photosynthetic parts of the plant. As leaves die off, and photosynthesis is slowly reduced and then halted, phloem will no longer need to carry the sugars from the leaves into storage. Once the leaves die off the tree. As the tree prepares for winter it also produces ice nucleators and antifreezes that help keep the tree's sap from freezing in the winter.
Explanation:
The correct answer is: C) a molecule binding at one unit of a tetramer, allowing faster binding at each of the other three
The phenomenon called cooperativity occurs when the binding of a substrate molecule to the first active site of an enzyme may in¬fluence substrate binding to a second active site.Binding of the second then influence binding of a third, and so on.
Cooperativity can be positive or negative:
• Positive- the first molecule facilitates binding of sub-sequent molecules
• Negative- binding of a subsequent molecule is reduced by the binding of the first one.
