Q:

What Types of Organisms Use Cellular Respiration?

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Quick Answer

All living organisms partake in some form of cellular respiration. This includes bacteria, fungi, protists, plants and animals. Cellular respiration is sometimes called aerobic respiration because it requires oxygen to occur, although a few organisms are capable of anaerobic respiration, respiration without oxygen.

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Full Answer

All life-forms require energy to move, grow, repair damage and reproduce. Many organisms, such as plants and algae, are able to produce their own energy from sunlight. These photosynthesizing organisms form the base of their respective food chains, and all subsequent organisms in these food chains obtain their energy by consuming this photosynthesizing life or consuming other organisms that rely on photosynthesizing life.

The chemical energy that all organisms acquire through photosynthesis or consumption provide the cells with nutrients, such as complex and simple sugars, fats and amino acids. These nutrients are broken down in the cellular respiration process in the presence of oxygen. The final product of the cellular respiration process is an energy-rich molecule called ATP. This ATP is the simplest form of energy used by all life.

Anaerobic life-forms use other oxidizing agents besides oxygen to break down complex nutrients into simpler ones. These oxidizing agents include sulfates and nitrates, but they are not as efficient at oxidization as oxygen.

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Related Questions

  • Q:

    What conditions are necessary for respiration?

    A:

    The presence of oxygen, nutrients and space to discard their metabolic products are the conditions for cellular respiration in aerobic organisms. Anaerobic organisms require an absence of oxygen and the presence of different nutrients from their aerobic counterparts.

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  • Q:

    What is responsible for making ATP?

    A:

    Adenosine triphosphate (ATP) is created in organisms through the processes of photosynthesis, glycolysis, cellular respiration and fermentation. Photosynthesis and fermentation are restricted to plants and fungi, respectively, but glycolysis and respiration occur in both plant and animal cells.

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  • Q:

    What is aerobic and anaerobic respiration?

    A:

    Aerobic and anaerobic respiration are the two types of cellular respiration that occur in the cells of living organisms. Aerobic respiration requires oxygen, while anaerobic respiration can occur in the absence of oxygen.

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  • Q:

    What is the type of cellular respiration that requires oxygen to occur?

    A:

    According to the BBC, aerobic respiration requires oxygen in order to release energy from glucose for cellular use. Carbon dioxide and water are waste products of aerobic respiration. This process occurs in organelles called mitochondria, which are the energy producing parts of the cell.

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