Respiration and Combustion
Question 1: Define Cellular Respiration.
Answer:
Cells convert sugars into energy through a process called cellular respiration. Cells need fuel and an electron acceptor to power the chemical process that converts energy into usable forms, such as ATP and other forms of energy to power cellular reactions.
Question 2: How can combustion and respiration release energy?
Answer:
In respiration, the energy is released as heat and ATP, but in combustion, the energy is released as heat.
Question 3: How is cellular respiration linked to combustion?
Answer:
Respiration and combustion are related to one another in some ways, including The dissolution of chemical bonds is a component of redox reactions, which include burning and biological respiration. Both cases need the use of oxygen. Although they both include burning, respiration is referred to as “slow burning” while combustion is burning.
Question 4: Using sugar as an example, describe respiration and combustion.
Answer:
As a result of biological oxidation of sugar or glucose, molecules inside the cell uses oxygen gas, respiration results in the release of energy, or ATP (adenosine triphosphate). However, if we are talking about sugar combustion, it is just the burning of sugar that causes it to char, producing carbon dioxide and water in the process.
Difference Between Respiration and Combustion
The oxidation of glucose to release energy or create ATP is the main difference between respiration and combustion, whereas external heat is used to burn a substance in combustion to release energy. Energy is required by living things so that their cells can operate. While some operations in cells occur without the usage of energy, this is not the case for most cellular processes. The process of producing cellular energy, primarily in the form of ATP, is known as cellular respiration. The main energy source in this process is glucose. As glucose molecules are oxidized in the presence of oxygen during respiration, ATP molecules are produced. Energy is also produced by combustion, however, it only results in heat. It needs a supply of outside heat. As a result, combustion and respiration are different from one another.
In order for living cells to make ATP, or chemical energy, glucose molecules must be broken down during respiration. Conversely, combustion refers to the act of burning something to release energy. So, the main distinction between combustion and respiration is this. Although combustion is a non-cellular activity that happens quickly and uncontrollably, respiration is a cellular function that happens slowly and under control.
Also Read: Cell
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