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 Danger list are not natural properties. Cultural, archeological, or architectural sites are not to be used for this project). This will be the topic for your final paper and presentation. • Research at least three references about the property other than the UNESCO site. • Write a 200- to 300-word description about your topic and reason for choosing it. Includ... click for more

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.