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Returning cycle

returning cycle

An atrial or ventricular cardiac cycle that begins with an extrasystole or a forced beat.


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photosynthesis

... very basic and probably simplified to an extreme (especially the calvin cycle as no enzymes are mentioned.) As visible spectra comes into contact ... are absorbed and electrons on ground state are thus excited. Instead of returning to ground state, electron transport molecules made of lipids or ...

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by dranseth
Mon Mar 31, 2008 2:27 am
 
Forum: Botany Discussion
Topic: photosynthesis
Replies: 2
Views: 4899

CO2 a waste product of cell respiration?

... upon a time had to come from atmospheric CO2. In order to continue the cycle, glucose has to be broken down into its "basic component", returning CO2 to the atmosphere to be reborn as another molecule of glucose as some future ...

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by blcr11
Wed Nov 07, 2007 7:23 pm
 
Forum: Cell Biology
Topic: CO2 a waste product of cell respiration?
Replies: 6
Views: 3129

TO ANYBODY THAT HAS ANYQUESTIONS ON PHOTOSYNTHESIS

... known as stomata to allow gas to enter and leave the leaf. The Calvin Cycle occurs in the stroma of chloroplasts (where would it occur in a prokaryote?). ... dioxide. The carbon dioxide then enters the Calvin Cycle, with PEP returning to the mesophyll cell. The resulting sugars are now adjacent ...

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by CoolJay221
Thu Feb 09, 2006 7:14 pm
 
Forum: Botany Discussion
Topic: TO ANYBODY THAT HAS ANYQUESTIONS ON PHOTOSYNTHESIS
Replies: 5
Views: 11366

Question: Does a plant constantly go through photosynthesis?

... known as stomata to allow gas to enter and leave the leaf. The Calvin Cycle occurs in the stroma of chloroplasts (where would it occur in a prokaryote?). ... dioxide. The carbon dioxide then enters the Calvin Cycle, with PEP returning to the mesophyll cell. The resulting sugars are now adjacent ...

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by CoolJay221
Thu Feb 09, 2006 6:51 pm
 
Forum: Botany Discussion
Topic: Question: Does a plant constantly go through photosynthesis?
Replies: 3
Views: 8464

Why the diploid stages important to the sexual life cycle?

the diploid stages of the fungal life cycle are usual very brief returning to a haploid condition through meiosis shortly thereafter. why are the diploid stages important ...

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by cklee
Tue Nov 01, 2005 8:01 pm
 
Forum: Microbiology
Topic: Why the diploid stages important to the sexual life cycle?
Replies: 0
Views: 1690


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