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Energies

See energy (singular).


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Re: Spectrophotometry - why can't some products be read?

The structure of a molecule determines what energies of electromagnatic radiation it will absorb. Lower-energy photons like microwaves correspond to changes like transitions in rotational energies about bonds, while higher-energy photons can trigger ...

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by jonmoulton
Thu Nov 01, 2012 4:13 pm
 
Forum: Molecular Biology
Topic: Spectrophotometry - why can't some products be read?
Replies: 2
Views: 564

Do the simplest bacteria have ribosomes and helicase?

... you have proto-enzymes capable of manipulating RNA and at later stages DNA and amino acids. When you think of chemical reaction conditions and energies, take temperature into account. At high temperatures things can go even w/o catalyst present, and pre-life Earth was quite harsh by todays ...

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by dustman
Fri May 25, 2012 2:13 pm
 
Forum: Molecular Biology
Topic: Do the simplest bacteria have ribosomes and helicase?
Replies: 27
Views: 6903

Re: A bit of help regarding the hydrolysis of activated carriers

High energy compounds, sometimes referred to as “activated carriers” (e.g. phosphoarginine) have large negative free energies of hydrolysis, indicating that their reactions with water are spontaneous and proceed almost to completion. Explain why millimolar concentrations of activated ...

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by JackBean
Wed Apr 18, 2012 6:30 am
 
Forum: Cell Biology
Topic: A bit of help regarding the hydrolysis of activated carriers
Replies: 5
Views: 2835

A bit of help regarding the hydrolysis of activated carriers

... I have done the other parts. High energy compounds, sometimes referred to as “activated carriers” (e.g. phosphoarginine) have large negative free energies of hydrolysis, indicating that their reactions with water are spontaneous and proceed almost to completion. Explain why millimolar concentrations ...

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by saab
Wed Apr 18, 2012 2:56 am
 
Forum: Cell Biology
Topic: A bit of help regarding the hydrolysis of activated carriers
Replies: 5
Views: 2835

Why does chlorophyll always fluoresce in red?

... energy in the form of light. Chlorophyll fluoresces red light. Why red? You may have learned that different colors of light have different energies. For example, in a rainbow, red light has the least energy, and violet has the most energy. Chlorophyll is able to absorb different colors ...

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by lovie9
Wed Jul 13, 2011 8:57 am
 
Forum: Botany Discussion
Topic: Why does chlorophyll always fluoresce in red?
Replies: 6
Views: 7994
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