A biology student is studying ways to grow crops in soils that are high in salts and other dissolved solids. To determine whether corn plants can tolerate salty soil conditions, she grows one corn plant in typical non salty soil and one corn plant in the same soil plus 0.5 kilograms of salt. after 6 weeks of growth, the corn plant grown in salty soil is only about 50% of the mass and height of the corn plant grown in non-salty soil. How can this research be improved so that she will have greater confidence in her data?

Answer: Exergonic reaction; Endergonic reaction

In coupled reactions, the energy released by an exergonic reaction is used to drive an endergonic reaction. ATP breakdown is often coupled to cellular reactions that require an input of energy.

Explanation:

Cellular reactions include Exergonic and endergonic reactions. An exergonic reaction is one that occurs spontaneously and brings about the release of energy (in form of ATP). On the other hand, an endergonic reaction proceeds only with the input of energy.

Thus, exergonic reactions are usually coupled to endergonic reactions

Final answer:

In coupled reactions, the energy from an energy-releasing exergonic reaction, like the breakdown of ATP, is used to drive an energy-requiring endergonic reaction. These reactions usually occur together in a cell.

Explanation:

In coupled reactions, the energy released by a exergonic reaction is used to drive an endergonic reaction. An exergonic reaction is a chemical reaction where energy is released, often in the form of ATP (Adenosine Triphosphate). On the other hand, an endergonic reaction requires energy to proceed.

In a cell, these types of reactions often happen together (or are coupled) so that the energy released by an exergonic reaction, like the breakdown of ATP, gets immediately used to power an endergonic one, such as the synthesis of cellular components or the transport of molecules across the cell membrane.

Learn more about Coupled Reactions here:

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