Sia
Question
Biology
Posted 9 months ago
Name the physiological processes that are in place for us to be able to use the nutrients for
cellular function.
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Answer from Sia
Posted 9 months ago
Answer
The physiological processes that enable the use of nutrients for cellular function include digestion, absorption, transport, and cellular metabolism.
Solution
a
Digestion: :
This is the mechanical and chemical breakdown of food into smaller components that can be absorbed into the bloodstream. Enzymes play a crucial role in this process, breaking down macromolecules like proteins, lipids, and carbohydrates.
b
Absorption: :
Nutrients are absorbed through the lining of the gastrointestinal tract into the bloodstream. Different nutrients are absorbed via different mechanisms, such as active transport or diffusion.
c
Transport: :
Once absorbed, nutrients are transported through the circulatory system to the cells that require them. This involves the blood and, to some extent, the lymphatic system.
d
Cellular Metabolism: :
Inside the cells, nutrients are used in metabolic pathways to produce energy, synthesize necessary compounds, and support cellular growth and repair. This includes processes like glycolysis, the citric acid cycle, and oxidative phosphorylation.
Key Concept
Nutrient Utilization in Cells
Explanation
Nutrients from food are converted into forms that can be absorbed, transported to cells, and metabolized to provide energy and building blocks for cellular functions.
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