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Dictionary » C » Chlorophyll

Chlorophyll

Definition

noun, plural: chlorophylls

The green pigment found in the chloroplasts of higher plants and in cells of photosynthetic microorganisms (e.g. photosynthetic bacteria), which is primarily involved in absorbing light energy for photosynthesis.


Supplement

The chlorophyll best absorbs light in the blue and red while poor in the green portion of the electromagnetic spectrum.

The chlorophyll is a chlorin pigment with magnesium at the center of the chlorin ring. There are about five closely related chlorophylls:

Word origin: Greek chloros (green) and phyllon (leaf).

Also called: green pigment

Compare: carotenoid


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How dominance works at the DNA/RNA/protein

... and discover that this locus corresponds to a stretch of DNA on, let’s say, chromosome 6 and it codes for a key enzyme required for production of chlorophyll (green pigment) in the coat of a pea seed (now it’s a gene. Note that trait loci can comprise of more than one gene!) You also discover ...

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by Cat
Fri Oct 05, 2012 1:15 am
 
Forum: Genetics
Topic: How dominance works at the DNA/RNA/protein
Replies: 10
Views: 2050

Chlorophyll Fluorescence Problem

and where did you get that chlorophyll in leaves doesn't fluorescence?

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by JackBean
Mon Jun 25, 2012 6:24 am
 
Forum: Botany Discussion
Topic: Chlorophyll Fluorescence Problem
Replies: 1
Views: 993

Chlorophyll Fluorescence Problem

Why does extracted chlorophyll fluoresce when exposed to saturating light intensities, but chlorophyll in the leaves of living plants does not fluoresce under the same conditions?

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by systemmechanic
Sun Jun 24, 2012 9:17 pm
 
Forum: Botany Discussion
Topic: Chlorophyll Fluorescence Problem
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Multicellular prokaryote

... were first classified as plants because of their ability to carry out photosynthesis, which both plants and cyanobacteria have the green pigment chlorophyll that allows them to carryout this process. However, cyanobacteria are bacteria and prokaryotic and are not plants. In fact, bacteria are ...

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by chrisPbacon
Fri Feb 03, 2012 1:21 am
 
Forum: Microbiology
Topic: Multicellular prokaryote
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Question about basic crossing.

... was as following: 94 green and 21 yellow plants. How does this result relate to the hypothesis that the parent was heterozygote for a recessive chlorophyll-defective gene? It's a chi-square problem, but first you have to determine the ratios of the offspring. In this particular problem, I concluded ...

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by MrJules
Fri Dec 02, 2011 6:53 pm
 
Forum: Genetics
Topic: Question about basic crossing.
Replies: 5
Views: 2197
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