Human A&P: Metabolism

Anabolism is best described as which of the following?

Catabolic reactions generate ATP, while anabolic reactions consume ATP.

What is the role of ATP in metabolic reactions?

__________ involves the loss of electrons from an atom or molecule, while reduction involves the gain of electrons.

Match the following terms with their definitions:

What are the two coenzymes that transfer hydrogen atoms when a substance is oxidized?

Substrate-level phosphorylation, oxidative phosphorylation, and photophosphorylation are the only mechanisms by which humans can generate ATP.

What is the main purpose of carbohydrate metabolism?

In most body cells, __________ molecules facilitate the diffusion of glucose across the plasma membrane.

Match the processes with their descriptions:

Glycolysis involves the breakdown of one glucose molecule into how many pyruvic acid molecules?

Glycolysis requires oxygen to efficiently convert glucose into pyruvic acid.

Under anaerobic conditions, what compound is pyruvic acid converted into?

The Krebs cycle, also known as the __________ cycle, occurs in the matrix of the mitochondria.

Which of the following best describes the electron transport chain?

Cellular respiration will always generate exactly 32 ATP molecules for each molecule of glucose that is oxidized.

What process does the body use to store glucose that is not immediately needed?

The process of breaking down stored glycogen into glucose is called __________.

Match the classes of lipoproteins with their primary functions:

Which lipoprotein class is responsible for removing excess cholesterol from body cells and transporting it to the liver for elimination?

Lipid catabolism involves synthesizing lipids from glucose or amino acids.

What is the purpose of Beta oxidation?

Proteins are broken down into __________ during digestion.

What process yields amino acids from proteins?

Match the key molecules with their metabolic involvements: