An enzyme that hydrolyzes and breaks proteins 

 (for example, an enzyme that breaks thyroglobin protein into Tyrosine, T2, T3, and T4 fragments)

An enzyme that reduces and oxidizes electron acceptors

(for example, reactions from NADH to NAD+ (and back to NADH), such as LD converting pyruvate and NADH to NAD+ and lactate--(causing acidosis of intense exercise)

An enzyme that converts between amino-acids and keto-acids

 For example, AST catalyzes [Asp and alpha-ketoglutarate] to and from [Glu and oxaloacetate]

an enzyme that breaks chemical bonds using a water molecule 

for example, lipases and phosphatases

An enzyme that takes phosophate from ATP, and gives it to (or 'phosphorylates') a substrate

For example, give the phosphate to Glucose --> it becomes Glucose-6-P

an enzyme that reduces oxygen

for example  O2 --> H202

emits frequencies 600-725 nm

(note:  often a red-appearing substance is that which absorbs frequencies around ~400-500)

emission frequencies around 580-600 nm

yellow-appearing substance often absorbs around ~410

for example, yellow bilirubin absorbance is measured at 450

And, a very light yellow vanillin substance (which is a product of VMA, which is a product of epinephrine and norepinephrine) absorbance is measured at 360

Emission frequencies around 500-580 nm

note:  green solutions are absorbing around 400 and also 800

Emits 440-500 nm 

absorbance ~600(commonly) 

for example, Methylene blue = has maximal absorbance at 668 and 609

emits 380-440 nm

(absorbance commonly measured around 500-525)