It has to be a, b or d then.
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Answer:
a. First Step: The sugars are broken down to simple glucose molecules and the proteins and lipids are broken down to acetyl-CoA molecules. No energy is produced in this first step.
b. Second Step: Glycolysis converts the glucose to two molecules of pyruvate. Six ATP molecules are produced in this step.
c. Third Step: Oxidation of each pyruvate produces two molecules of acetyl-CoA. Six ATP molecules are produced in this step.
d. Fourth Step: Two acetyl-CoA molecules go through the Krebs (citric acid) cycle. Twenty-four ATP molecules are produced through this process.
e. All of the above steps are part of the break down of the candy bar's macromolecules.
Explanation:
<span>A simulation is a model that imitates a real-world situation. </span>
Nucleus. The answer is this because:
The nucleus is the central and most important part of a cell and so it directs the cell activities.
