Case Based Critical Thinking Questions Case 17-1 Maxwell Has Developed

question 38

Multiple Choice

Case Based Critical Thinking Questions Case 17-1 Maxwell has developed a Movies database. He presented his design to his class, and some of his listeners had questions. Here is one of the tables Maxwell showed to the audience. Referring to the accompanying figure, James asks which of the columns is a primary key. Maxwell points to _____.

• A) A
• B) B
• C) C
• D) D

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Definitions:

ATP

Adenosine triphosphate, a high-energy molecule that stores and supplies the cell with needed energy for various functions.

Succinyl CoA

A compound in the citric acid cycle that plays a role in the synthesis of porphyrin for hemoglobin and as an intermediate in several metabolic pathways.

Substrate-Level Phosphorylation

Substrate-level phosphorylation is a metabolic process where a phosphate group is directly transferred from a substrate molecule to ADP, forming ATP, occurring in glycolysis and the citric acid cycle.

Phosphorylated Intermediate

A molecule that has been temporarily phosphorylated (had a phosphate group added) during a metabolic reaction, often playing a crucial role in energy transfer.