Question

All living things require an outside source of materials and energy. All of the chemical reactions that occur within a cell to provide these materials and energy are called:_______

Answer 1

The chemical reactions that occur within a cell to provide materials and energy are called metabolism. Living cells obtain energy from various sources and use it to carry out cellular processes like building and breaking down molecules.

Step-by-step explanation:

The chemical reactions that occur within a cell to provide materials and energy are called metabolism. Metabolism encompasses all the chemical reactions that take place inside cells, including anabolic reactions that require energy to synthesize complex molecules from simpler ones, and catabolic reactions that release energy as complex molecules are broken down.

Living cells obtain energy from various sources, such as sunlight through the process of photosynthesis or nutrients obtained through food consumption. They use this energy to carry out cellular processes like building and breaking down molecules, transport of signaling molecules, ingestion and breakdown of pathogens, and many others.

Answer 2

Answer: Metabolism.

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