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Methyl red

methyl red

C15H15N3O2;a weakly acid dye used as a pH indicator (red at 4.8, yellow at 6.0); easily reduced with loss of colour, and pH readings must be made rapidly.


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Unknown Bacteris Identification

... (+) lactose (-) starch hydrolysis (+) casein hydrolysis (+) indole (+) methyl red (+) V-P (-) citrate (+) nitrate (+) urease (+) catalase (+) oxidase (+) Any help is greatly ...

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by cmuguerrero
Mon May 11, 2009 12:45 am
 
Forum: Microbiology
Topic: Unknown Bacteris Identification
Replies: 4
Views: 1157

Uknown ID: Mixed Results

... Glucose (+) (with gas bubble) Lactose (+) (with gas bubble) Indole (-) Methyl-red (+) Voges-Proskauer (+) Citrate (+) I'm confused. All my tests are showing Enterobacter ...

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by tmena27
Thu Apr 30, 2009 2:52 am
 
Forum: Microbiology
Topic: Uknown ID: Mixed Results
Replies: 1
Views: 623

M Biology

... No Growth Glucose; acid/gas Can’t Produce Acid or Gas From Glucose Methyl red Lt. Yellow, Negative Voges-Proskauer Gold Yellow, Negative Triple iron sugar No Gas, No ...

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by ottotrac
Wed Apr 22, 2009 4:43 pm
 
Forum: Microbiology
Topic: M Biology
Replies: 0
Views: 693

Does anything affect absorption spectrum of chlorophyll?

First of all, I was wrong. There is a methyl group on chlorophyll a and a carbonyl group on chlorophyll b. The accessory pigments will affect the absorption of different colors of light. Accessory pigments transfer their energy to chlorophyll ...

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by plasmodesmata11
Tue Mar 03, 2009 11:20 pm
 
Forum: Botany Discussion
Topic: Does anything affect absorption spectrum of chlorophyll?
Replies: 9
Views: 2983

Re:

Yeah, 5-methyl cytosine gets spontaneously converted into thymine and in every case where it happens the G is correctly placed and T is wrong. But G-T mismatches can be formed due to some other reasons too ( e.g. replication errors) ...

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by YASHRAJ
Fri Jan 30, 2009 10:40 am
 
Forum: Molecular Biology
Topic: G-T Mismatch Repair
Replies: 4
Views: 550
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