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Metabolism and Energy Conversion Quiz

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Questions and Answers

What is the main purpose of metabolism in an organism?

To convert carbon dioxide, water, and minerals into organic compounds and oxygen

To store energy in the form of starch

To break down organic compounds into individual atoms

To convert food energy into energy needed for various functions (correct)

According to the First Law of Thermodynamics, what happens to energy?

Energy is created and destroyed

Energy is converted from one form to another (correct)

Energy is lost during conversion

Energy remains constant

What is the main purpose of photosynthesis?

To convert carbon dioxide, water, and minerals into organic compounds and oxygen (correct)

To break down organic compounds into individual atoms

To store energy in the form of starch

To convert food energy into energy needed for various functions

What is the role of starch in the energy cycle?

<p>Starch is a rich energy source stored in plants like grass, which is broken down into glucose by animals for energy production and growth</p> Signup and view all the answers

How do humans utilize the energy from carbohydrates, fats, and proteins?

<p>Humans further digest carbohydrates, fats, and proteins into individual atoms, which are then utilized to form new tissues and energy sources to support human life and activity</p> Signup and view all the answers

Study Notes

Metabolism encompasses all chemical processes in an organism, allowing the body to convert food energy into energy needed for various functions like thinking, tissue repair, and muscle movement.
The First Law of Thermodynamics states that energy is not created or destroyed, but rather converted from one form to another.
Photosynthesis is a crucial process driven by sunlight energy, where plants convert carbon dioxide, water, and minerals into organic compounds and oxygen, sustaining life on Earth.
Starch, made up of glucose molecules, is a rich energy source stored in plants like grass, which is broken down into glucose by animals like cows for energy production and growth.
Humans further digest carbohydrates, fats, and proteins into individual atoms, which are then utilized to form new tissues and energy sources to support human life and activity.

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Description

Test your knowledge on metabolism, energy conversion, and key biological processes like photosynthesis and digestion. Learn about how organisms utilize food energy for various functions and the laws of thermodynamics.