5 Questions
What is the role of energy in living organisms?
The role of energy in living organisms is to perform virtually every task, including heavy labor, exercise, thinking, and cellular processes such as metabolism, synthesis, and breakdown of molecules.
How do living cells use energy?
Living cells constantly use energy for importing nutrients and molecules, metabolizing and synthesizing molecules, modifying molecules if needed, transporting molecules within the cell, and distributing molecules to the entire organism.
Give an example of how energy is used in building and breaking down molecules.
Energy is used to build large proteins from smaller molecules, such as the muscles actively built from smaller protein molecules. It is also used to break down complex carbohydrates into simple sugars that the cell uses for energy.
What are some tasks that require energy in humans?
Tasks such as heavy labor, exercise, thinking, and even during sleep require a great deal of energy in humans.
What is the relationship between energy and the synthesis and breakdown of molecules?
Energy is required for both the synthesis and breakdown of molecules, similar to how energy is required for both building and demolishing a building.
Test your knowledge of metabolism, cellular respiration, and photosynthesis with this quiz on human biology. Covering the energy requirements for various activities and the role of living cells in energy production, this quiz will challenge your understanding of these fundamental biological processes.
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