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Cyclic

Cyclic

(Science: chemistry) Pertaining to or occurring in a cycle or cycles, the term is applied to chemical compounds that contain a ring of atoms in the nucleus.

Origin: gr. Kyklikos


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Exam

... it if i could get some answers here, so I can be prepared as best I can before my exam. The questions are: Some insects get rid of their CO2 in a cyclic manner. What physiological processes are involved and what is the purpose of this adaptation? Next: Explain how the dissociation curve of Oxygen ...

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by Nelsson
Tue Dec 16, 2008 12:48 pm
 
Forum: Physiology
Topic: Exam
Replies: 0
Views: 1140

Converting Glucose to Fat or ATP?

... Cycle. Excess acetyl-CoA is then converted via malonyl-CoA to fatty acids for storage." I think that's what you need. As for insulin, "A cyclic-AMP cascade, activated by the hormones glucagon and epinephrine when blood glucose is low, may also result in phosphorylation of Acetyl-CoA Carboxylase ...

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by MrMistery
Sun Dec 14, 2008 3:48 pm
 
Forum: Cell Biology
Topic: Converting Glucose to Fat or ATP?
Replies: 12
Views: 1867

The origin of prokaryotic and eukaryotic cells

Okay, so about 3.5 to 3.2 billion years ago, the cyclic pathway of photosynthesis had evolved in certain anaerobic bacteria... 2 billion years ago, geological records showed the presence of oxidized sediments indicating that by the action of living ...

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by rajvandam
Mon Sep 15, 2008 1:10 am
 
Forum: General Discussion
Topic: The origin of prokaryotic and eukaryotic cells
Replies: 0
Views: 1428

Biochemistry help?

... Glycolysis: the breakdown of glucose is an exergonic process. Lactic Acid Fermentation: endergonic process due to encorporation of ATP and NADH Cyclic electron Flow:exergonic Calvin Cycle: endergonic process Am I correct on my assumptions of the above biochemical processes? Thank you so much ...

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by NewtoBiology
Sun Jun 29, 2008 1:59 am
 
Forum: Cell Biology
Topic: Biochemistry help?
Replies: 3
Views: 1830

Re: Clarification of the Various Metabolic Pathways

... state by a series of kinases/dephosphorylases ultimately connected to – among other things, but primarily adrenergic and hormone receptors and cyclic-AMP (not to be confused with ATP, very different things are cAMP and ATP, both serving very different purposes). Glycogen-1-phosphate enters ...

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by blcr11
Mon Apr 21, 2008 9:20 am
 
Forum: General Discussion
Topic: Clarification of the Various Metabolic Pathways
Replies: 3
Views: 573
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