How do prokaryotes use cellulose as energy source?

Thread starter chocolatepie
Start date Nov 3, 2011
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Energy Source

In summary, prokaryotes use a group of enzymes called cellulases to break down cellulose into smaller, more easily digestible sugars as an energy source. Not all prokaryotes have this ability, but many species of bacteria and fungi have evolved to produce these enzymes. The energy from cellulose is used through cellular respiration, and the breakdown of cellulose also releases nutrients into the environment. Prokaryotes can also use other sources of energy, but being able to use cellulose provides them with an advantage in environments where it is readily available.

Nov 3, 2011

chocolatepie

Homework Statement

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The Attempt at a Solution

maybe they are broken down just like glucose in metabolism?

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Nov 4, 2011

epenguin

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Do they?

Where do they?

Last edited: Nov 5, 2011

FAQ: How do prokaryotes use cellulose as energy source?

1. How do prokaryotes break down cellulose to use as an energy source?

Prokaryotes use a group of enzymes called cellulases to break down the large, complex cellulose molecules into smaller, more easily digestible sugars.

2. Can all prokaryotes use cellulose as an energy source?

No, not all prokaryotes have the ability to produce cellulases and therefore cannot break down cellulose. However, many species of bacteria and fungi have evolved to produce these enzymes, allowing them to use cellulose as a source of energy.

3. How is the energy from cellulose used by prokaryotes?

Once cellulose is broken down into simpler sugars, prokaryotes can use these sugars as a source of energy through a process called cellular respiration. This process involves breaking down the sugars further to produce ATP, the main energy currency of cells.

4. Are there any other benefits to prokaryotes using cellulose as an energy source?

Yes, in addition to providing energy, the breakdown of cellulose by prokaryotes can also release nutrients such as nitrogen and phosphorus into the environment, which can be used by other organisms.

5. Can prokaryotes use other sources of energy besides cellulose?

Yes, prokaryotes are capable of using a variety of energy sources such as other types of carbohydrates, fats, and even some inorganic compounds. However, the ability to use cellulose as an energy source provides prokaryotes with an advantage in environments where this abundant plant material is available.