Chromatography/Pigment

Question 1

Everyday Uses of Chromatography

Answer 1

Creating Vaccinations
Food Testing
Drug Testing
Forensic Testing

Question 2

Pigment

Answer 2

Organic compound that have color.

Photosynthesis: Captures light energy necessary for photosynthesis (located in chloroplasts)

Question 3

Role of Pigments (Chlorophyll)

Answer 3

In Phytoplankton; act as biomarker

In Chlorophyll, it’s tetrapyrrole ring was preserved due to its stability.

Question 4

Biomarkers

Answer 4

Organic molecule that can be traced to a particular biological origin.

Question 5

How can we use pigments to infer information about the ocean?

Answer 5

Used to trace carbon cycle, microbial activity and physiology, ancient environments, origin and evolution of life.

Pigments/some bio markers have specific biological sources whose structures can be traced to past particular organism or biochemical reaction and bio geochemical process.

Question 6

Importance of Sp2 Hybridization for Pigments

Answer 6

Conjugated Pi Systems; absorb visible light and allow electrons to travel efficiently.

Question 7

Why do we measure pigments?

Answer 7

Tracer for organic Carbon produced by phytoplankton.

Infer phytoplankton community composition for pigment composition.

Tracer for degradation pathway of carbon.

Question 8

How do we measure chlorophyll?

Answer 8

Satellite Sensors, Fluorometer, Bulk Chloropigment, Measure individual pigment

Question 9

How does Carbon get into ocean?

Answer 9

Phytoplankton’s Photosynthesis; takes up carbon dioxide.

6CO2 + 6H2O —> C6H12O6 (glucose) + 6O2