Figure 9.3 -Glycolysis Is Thought to Be One of the Most Ancient

question 14

Multiple Choice

Figure 9.3
-Glycolysis is thought to be one of the most ancient of metabolic processes. Which statement supports this idea?

• A)Glycolysis is the most widespread metabolic pathway.
• B)Glycolysis neither uses nor needs O₂.
• C)Glycolysis is found in all eukaryotic cells.
• D)The enzymes of glycolysis are found in the cytosol rather than in a membrane-enclosed organelle.
• E)Ancient prokaryotic cells, the most primitive of cells, made extensive use of glycolysis long before oxygen was present in Earth's atmosphere.

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Definitions:

Hyperlipidemia

A condition characterized by unusually high levels of fats (lipids) in the blood, increasing the risk of heart disease.

Cholesterol

A fat-related substance that the body produces in the liver and obtains from dietary sources; needed in small amounts to carry out several vital functions. High levels of cholesterol in the blood increase the risk of heart and artery disease.

Triglyceride Levels

A measurement of the amount of triglycerides, a type of fat, present in the bloodstream, which is significant for assessing heart health.

Osteoporosis

An endocrine and metabolic disorder of the musculoskeletal system, more common in women than in men, characterized by a hunched-over posture.