### Photosynthetic Pigments: Structures and FunctionsThis image provides the chemical structures of key photosynthetic pigments: chlorophylls, carotene, and xanthophyll, which are essential for the process of photosynthesis in plants.#### Chlorophyll1. **Chlorophyll Structure:** - **Porphyrin Ring:** The main structure is a porphyrin ring composed of four nitrogen-containing pyrrole rings interconnected by carbon bridges. This structure is crucial for absorbing light. - **Magnesium Ion (Mg++):** At the center of the porphyrin ring, a magnesium ion coordinates with the nitrogen atoms, playing a critical role in light absorption. - **Phytol Tail:** A long hydrophobic carbon chain called the phytol tail helps anchor the chlorophyll molecule in the photosynthetic membrane.2. **Variations of Chlorophyll:** - **Chlorophyll a:** Identified by a methyl group (CH₃) on the porphyrin ring. - **Chlorophyll b:** Distinguished by an aldehyde group (CHO) replacing a CH₃ on the porphyrin ring.#### Carotenoids1. **Carotene:** - Composed of a long carbon chain with alternating double bonds (conjugated system), which is essential for capturing light energy. - Lacks oxygen atoms, making it a purely hydrocarbon structure.2. **Xanthophyll:** - Similar structure to carotene with a conjugated system, providing light-absorbing properties. - Contains oxygen, typically in the form of hydroxyl (OH) groups, distinguishing it from carotene.These pigments differ slightly in their structures, which affects their specific role in absorbing sunlight across different spectra, enhancing photosynthetic efficiency. Chlorophyll primarily absorbs blue and red wavelengths, while carotenoids expand the range of light absorbed by capturing blue-green to blue light. **Why is one pigment more soluble than another? Consider Figure 4.5.**The solubility of pigments can be influenced by several factors, including molecular structure, polarity, and interactions with solvents. Figure 4.5 likely illustrates these concepts through diagrams or data visualizations, showing how structural differences in pigments affect their solubility in various solvents. For example, the figure may depict molecular structures, highlight regions of polarity, or compare solubility rates across different solvents. This can help in understanding why certain pigments dissolve more readily based on these attributes.

Chlorophyll is a pigment present in the thylakoid membrane of chloroplast in a plant, very crucial…

Answered: Why is one pigment more soluble than…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter8: Photosynthesis

Section: Chapter Questions

Problem 15RQ: Plants containing only chlorophyll b are exposed to radiation with the following wavelengths: 10nm...

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Similar questions

Chlorophyll is the green pigment found in plants. Which of the following statements can be implied regarding chlorophyll? O Chlorophyll does not absorb in the UV region. O Chlorophyll is made up of only C- H, C- C, C- N and C-O single bonds. O Chlorophyll uses the blue and red colors for photosynthesis. O Chlorophyll uses the green color for photosynthesis.
What properties of photosynthetic pigments allow pigments to absorb light of only certain wavelengths? Select all that apply. Some pigment molecules lack a light-trapping region. Light of any energy level can boost an electron of the pigment molecule to a higher energy level in order to be absorbed. Only light with the correct wavelength to boost an electron of the pigment to a higher energy level is absorbed. All pigment molecules possess a light-trapping region with a special structure that allows electrons to move freely between its atoms.
Can someone help me understand this. A student set up an experiment to show the effect of light color on photosynthesis in Elodea plants. She filled two test tubes with distilled water and placed a piece of Elodea in each of the tubes. She added a drop of phenol red, which turns red in a basic solution and yellow in an acidic solution. She blew in each tube before placing the volumeters on the top of the tube. Why did she blow into the tube? to add oxygen to the tube to add carbon dioxide to the tube to add carbohydrates to the tube to add sodium bicarbonate to the tube
Tell me why the authors put this photosynthesis equation here. What do you think is its main purpose for the process of photosynthesis by an equation?
A purple probably die. ning Absorption spectra of photosynthetic pigment B Absorption Chlorophyll Chlorophyll & ẞ-Caroten Phycoerythrin Phycoc Bac 250 300 350 400 450 500 550 600 650 70 Ultra Violet Blue Green Yellow Red Wavelength (nm) violet Pigment Name Bacteriochlorophyll.... Beta-Caroten......... Chlorophyll beta.... Chlorophyll alpha.. Phycocyanin....... Phycoerythrin..... Color purple orange ..blue-green .green ...blue ..red Warren, John. (2011). Evaporitic source rocks: Mesohaline respons "famine or feast". Layered Brines, Doug Shearman Memorial Volu
a.com/assignments/viewer/classes/329ea460c4114349972e507a776991d0/assignments/b729d9ce127845af8a13a22bc6c88f24/contents/...0* Study Plan Granada G GOOGLE Photosynthesis synthesis 1. Describe the overall changes in matter that occur during the light- independent reactions. What does the plant start with and what does it end with? What is the source of energy that powers this change? Type your answer here. oficinavirtual Data Parameters.xlsx https://escuelaposg... From 6 Photosynthesis-E....pptx 6 ADP M ATP Light-Dependent Reactions UGR ES ACCOUNT PDF 00000 10 000 Light-Independent Reactions 60 CO2 2000 POST The Calvin Cycle-R.....pdf Connected A 12 000 STROMA 12 M 000 12 ATP https://webmailest..... 12 ADP 12 Sugars and Other Compounds 12 NADP+ NADPH CYTOPLASM https://biblioteca From Light- Dependent Reactions The Process of Ph.....pptx The Process
Light Reactions Dark Reactions Sugar Chloroplast Light ATP NADPH Calvin cycle NADP ADP Granum co. Figure 7.3. Processes of photosynthesis. The light reactions directly require light energy from the sun. The "dark reactions" are driven by the high energy electrons produced by the light reactions. The synthesis reactions happen in the daytime, but are sometimes called "dark" reactions because light energy is not directly required. What kind of energy is required to run the synthesis reactions? Where does that energy come from?
700 600 Wavelength (nm) 500 Chlorophyll b is associated with the greatest rate of photosynthesis. The photosynthesis rate at 550 nm is the highest. Chlorophyll a absorbs wavelengths at both ends of the spectrum Carotenoids absorb the narrowest range of wavelengths of light
What accurately represents the overall equation for photosynthesis? Multiple Choice ces 12 H20 + Light energy → C6H1206 + 6 O2 + 6 CO2 + 6 H20 6 CO2 + 12 H2O ± Light energy → C6H1206 + 6 02 +6 H2O 6 CO2 + 12 H20 + Light energy C6H1206 + 6 02 6 CO2 + Light enérgy - C6H1206 + 6 02+ 6 H20 C6H1206+ 6 02 + 12 H20 + Light energy 6 CO2 + 12 H20
Match the number of the label in the diagram (below) with the appropriate site or structure from the list that follows. e Ca e dependet aon water-piting comples plasticyanin label 1 label 3 e label 5 g label 7 a b label 2 d label 4 f label 6 81. stroma 82. photosystem I 83. photosystem II 84. thylakoid lumen 85. electron transport 86. cytochrome complex 87. ATP synthase
Plant bio
Referring to the figure below(first picture) explain photosynthetic electron transport. Then compare the process outlined in the figure with figure 1(second picture), What are the similarities and differences?

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