Multiple Choice
Of the listed metabolic pathways, which is the only pathway found in all organisms?
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3. Energy & Cell Processes
Glycolysis
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Starting with one molecule of glucose, glycolysis results in the net production of which of the following sets of energy-containing products?
A
2 NAD+, 2 pyruvate, and 2 ATP.
B
2 NADH, 2 pyruvate, and 2 ATP.
C
4 NADH, 2 pyruvate, and 4 ATP.
D
6 CO2, 2 pyruvate, and 2 ATP.
Verified step by step guidance1
Understand the process of glycolysis: Glycolysis is the metabolic pathway that converts glucose (C6H12O6) into pyruvate, releasing energy and reducing equivalents in the form of ATP and NADH.
Identify the key products of glycolysis: During glycolysis, one molecule of glucose is broken down into two molecules of pyruvate. Additionally, a net gain of 2 ATP molecules and 2 NADH molecules is produced.
Analyze the options given: Compare the products listed in each option with the known products of glycolysis. The correct set should include 2 NADH, 2 pyruvate, and 2 ATP.
Eliminate incorrect options: Discard any options that do not match the known products of glycolysis. For example, options that mention NAD+ instead of NADH or incorrect numbers of ATP or pyruvate should be eliminated.
Select the correct answer: Choose the option that accurately reflects the net production of glycolysis, which is 2 NADH, 2 pyruvate, and 2 ATP.
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