Why Must Organisms Eat

question 71

Multiple Choice

Why must organisms eat?

• A)They eat to obtain potential energy stored in the chemical bonds.
• B)They eat to provide reactants for respiration to make ATP.
• C)They eat to obtain the monomers of proteins,lipids,and carbohydrates constructed in organisms.
• D)They eat to obtain carbohydrates,proteins,and lipids.
• E)All answers are correct.

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Definitions:

Electron Transfer Phosphorylation

A process in cellular respiration where electrons are transferred through a series of protein complexes, resulting in the generation of ATP.

Intermembrane Space

The region located between the inner and outer membranes of a mitochondrion or a chloroplast, involved in various cellular processes.

Hydrogen Ions

Positively charged ions (H+) that are formed when hydrogen atoms lose or share their electron.

Aerobic Respiration

A method where cells generate energy with the use of oxygen by decomposing nutrients in the mitochondria through an extended series of steps, resulting in approximately 36 ATP.