absorption spectrum of spinach pigments

I am confused about the concept of absorption spectrum of spinach pigments. I am looking for the visible spectrum of four main pigments in spinach. But what should I expect from each pigment? And why? I am supposed to examine chlorophyll a, chlorophyll b, carotene and xanthrophylls.

Approach this project from the perspective of someone searching for funding to support

• Review the ecological properties that are displayed on the World Heritage in Danger List on the United Nations Educational, Scientific, and Cultural Organization (UNESCO) Web site at http://whc.unesco.org/en/danger. • Choose a property that you would be interested in supporting (Note: Some places on the World Heritage in ...continues

Classify an unknown animal to the appropriate phlya.

A marine biologist has dredged up an unknown animal from the seafloor. Describe some of the characteristics she should look at to determine the phylum to which the animal should be assigned.

What is the interaction that goes on between the Ebola virus and the cells in a human?

What is the interaction that goes on between the Ebola virus and the cells in a human? I need cell/virual interaction. Thanks. Be specific but try to explain it so I can understand too, this is Graduate level. Thanks.

Plants vs. Animals

Describe five similarities and three differences between plant and animal cells. Choose five internal structures of plant or animal cells and describe their functions.

Non-validity of theory of spontaneous generation

Refute or support - Flies come from rotten meat because they always appear where there is meat rotting. Later Louis Pasteur confirmed the non-validity of theory of spontaneous generation.

How does the theory of evolution explain the superficial similarities between insect wings and bird wings?

How does the theory of evolution explain the superficial similarities between insect wings and bird wings? Why are these wings also so different?

Name the various forms of energy with some examples.

Name the various forms of energy with some examples. Can the energy change from one form to another? If so, give an example.

Laws of Thermodynamics

As a patent agent, an inventor comes to you claiming that he has invented a self-powered engine that requires no fuel to run. Will you agree or disagree to patent this invention? Why or why not? Use the first law of thermodynamics to help justify.

When a hawk eats a fish, does the hawk acquire all of the energy contained in the body of the fish?

When a hawk eats a fish, does the hawk acquire all of the energy contained in the body of the fish? Why or why not? What implications do you think this answer would have for the relative abundance (by weight) of predators and their prey? Use the second law of thermodynamics to help justify.