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Co2

Co2 --> carbon dioxide

(Science: biochemistry, physiology) a metabolic byproduct of carbohydrate metabolism. Carbon dioxide collects in the tissues, is cleared by the blood (via the veins) and removed from the body via the lungs when we exhale air.

Abbreviation: co2 a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis.A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis.CO2 is the shorthand for carbon dioxide, consisting of one carbon atom and two oxygen atoms.


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How much CO²/O² does lettuce consume/produce on average?

Hello, I'm trying to simulate a small closed biosphere, using lettuce (or any other small edible plant). I'd like to have my numbers as close to reality as possible. I already searched the web for the past few hours, but could not find anything useful. So I'm totally reliant on your help. I need an ...

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by keks
Wed Jul 02, 2014 3:49 am
 
Forum: Botany Discussion
Topic: How much CO²/O² does lettuce consume/produce on average?
Replies: 0
Views: 204

Re: biology

Photosynthesis. All of the others release CO2 back again.

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by Babybel56
Thu Apr 03, 2014 3:28 pm
 
Forum: General Discussion
Topic: biology
Replies: 1
Views: 1210

Transpiration and Photosynthesis.

... it wasn't. It was a question on a mock exam paper which I have now found the answer to, it was basically this: More photosynthesis More CO2 absorbed Which therefore increases the stomatal opening.

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by harryriley88
Mon Mar 17, 2014 8:23 am
 
Forum: Botany Discussion
Topic: Transpiration and Photosynthesis.
Replies: 4
Views: 2426

Re: Diffusion and concentration gradient

... O2 from A to B than from B to A. After all, O2 can't diffuse out of region B if it isn't already present in region B. If B is filled with mostly CO2, then most of the diffusion out of B will be of CO2.

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by wildfunguy
Thu Dec 19, 2013 12:51 am
 
Forum: General Discussion
Topic: Diffusion and concentration gradient
Replies: 7
Views: 4660

Diffusion and concentration gradient

... I don't get that... For example, in the alveoli, dioxygen molecules get into the capillaries because O2 concentration is lower there. However, CO2 concentration is very high in the capillaries. So how do the O2 molecules "know" that this high concentration within the capillaries is ...

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by Aymeric
Sun Dec 15, 2013 1:02 am
 
Forum: General Discussion
Topic: Diffusion and concentration gradient
Replies: 7
Views: 4660
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