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Lab Four Plant Pigments And Photosynthesis Answers …

Lab Four Plant Pigments And Photosynthesis Answers

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Plant Pigments And Photosynthesis Answers PDF …

Chlorophylla-a is the primary for in plants. Its structure is shown at left. It has the composition C55H72O5N4Mg. It exhibits a grass-green visual color and absorption peaks at 430nm and 662nm. It occurs in all photosynthetic organisms except photosynthetic bacteria.

Biology Lab Answers Photosynthesis PDF Download

Some plants and plantlike organisms have developed other pigments to compensate for low light or poor use of light. Cyanobacteria and red algae have phycocyanin and allophycocyanin as accessory pigments to absorbe orange light. They also have a red pigment called phycoerythrin that absorbs green light and extends the range of photosynthesis. The red pigment is found in vegetables. Some red algae are in fact nearly black, so that increases their photosynthetic efficiency. Brown algae have the pigment fucoxanthin in addition to chlorophyll to widen their absorption range. These red and brown algae grow to depths around 270 meters where the light is less than 1% of surface light.

Photosynthesis lab review answers biology 111l lab , the ..

We made measurements onlyon one occasions, and measured 3 stem regions (hypocotyl, 1st internode,and second internode).

Hint: Think of another procedure that can isolate the individualpigments based on physical or chemical or biological properties.
Hint: Algae and angiosperms contain a number of different photosyntheticand accessory pigments, sometimes in varying amounts and sometimes withslight chemical differences.
Check with your own instructor to learn the assignment for your section.

During the summer, leaves are generally bright green because chlorophyll a is the primary pigment for photosynthesis; therefore, it is the most dominant pigment in plants, also Chlorophyll a reflects green light and uses blue and red light.

Plant pigments and photosynthesis lab answers chapter 8

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  • Wards Ap Biology Lab 4 Answers -5 Does Any Body …

    ap biology lab four: plant pigments and photosynthesis purpose: the purpose of this lab is to separate and

  • Lab 4 plant pigments and photosynthesis answers

    29/10/2008 · AP Biology Lab 4- Plant pigments and Photosynthesis.

  • Lab 4 plant pigments and photosynthesis answers.

    Oct 04, 2011 · AP Biology Lab 4- Plant pigments and Photosynthesis.

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