What is a pigment? How is it involved in photosynthesis
What is a pigment? How is it involved in photosynthesis
Homework Answers
Question 1:
Answer: Pigments, also known as biochromes are defined as substances that are found in living organisms and produce color as a result of selective color absorption. Examples: Pigments present in the leaves and flowers such as chlorophyll and carotenoid such as xanthophylls.
Photosynthesis is a metabolic process that involves conversion of light energy into chemical energy. Chlorophyll is a pigment that plays a important role in photosynthesis. Chlorophyll present in the chloroplast of the leaves allow the plants to absorb energy from the sunlight. There are three functions of chlorophyll in photosynthesis.
1. To absorb energy from the light.
2. Transfer of absorbed light energy to chlorophyll pair in the reaction center of the chloroplast photosystem.
3. The absorbed light energy(photon) is transferred to an electron through charge separation.
Finally the chlorophyll transfers the high energy electrons to series of complexes in electron transport chain and produces ATP and NADPH that is used to fix CO2 and reduce it to sugars.
1) what determines color? what wavelength it light color is least effective in photosynthesis? most effective?...
1) what determines color? what wavelength it light color is least effective in photosynthesis? most effective? why? 2) a)where do the light reactions of photosynthesis occur? b) which pigment is directly involved in the light reactions of photosynthesis? c) what role does the pigment place in the light reactions?
What Determines which pigment is the most important in photosynthesis? A. It absorbs the broadest spectrum...
What Determines which pigment is the most important in photosynthesis? A. It absorbs the broadest spectrum of wavelengths of light B. Its absorption peaks are the highest at a given C. It absorbs only in the red to orange wavelengths D. it absorbs only in the green wavelengths
QUESTION 23 Xanthophyll is considered to be the dominant pigment of photosynthesis. O True O False
QUESTION 23 Xanthophyll is considered to be the dominant pigment of photosynthesis. O True O False
Photosynthesis is a biochemical process that allows autotrophic organisms to convert _____ energy into the _____...
Photosynthesis is a biochemical process that allows autotrophic organisms to convert _____ energy into the _____ energy of organic molecules such a _____, a carbohydrate. Photosynthesis occurs in the _____, a double membrane organelle found in autotrophic organisms. Photosynthesis consists of the _____ reaction and the dark reaction. The _____ reaction occurs in the while the dark reaction occurs in the _____. The main pigment involved in photosynthesis are organized into clusters called _____ and _____. What is the cyclic...
Is chlorophyll the only light-absorbing pigment in the chloroplast? How might this affect the observed absorption...
Is chlorophyll the only light-absorbing pigment in the chloroplast? How might this affect the observed absorption spectrum of chlorophyll versus the entire chloroplast? Is light absorbance the same thing as rate of photosynthesis? What is the difference between an Absorption Spectrum and an Action Spectrum?
Photosynthesis Worksheet 1. Write the overall reaction for photosynthesis: 2. What does photosynthesis require in addition...
Photosynthesis Worksheet 1. Write the overall reaction for photosynthesis: 2. What does photosynthesis require in addition to water and carbon dioxide? 3. What is the principal pigment of plants? 4. Circle the letter of the region(s) of the visible spectrum in which chlorophyll absorbs light best. a. blue region b. green region c. red region d. yellow region 5. Chloroplasts contain saclike photosynthetic membranes called 6. The fluid surrounding the thylakoid membranes in the chloroplasts is called the 7. What are the two stages of photosynthesis called? 8. Complete...
CN de March Com Photosynthesis Worksheet 1. Write the overall reaction for photosynthesis 2. What does...
CN de March Com Photosynthesis Worksheet 1. Write the overall reaction for photosynthesis 2. What does photosynthesis require in addition to water and carbon dioxide? 3. What is the principal pigment of plants? 4. Circle the letter of the region(s) of the visible spectrum in which chlorophyll absorbs light best a. blue region b. green region c. Ted Teston d. yellow region 3. Chloroplasts contain saclike photosynthetic membranes called 6. The fluid surrounding the thy lakoid membranes in the chloroplasts...
How do the reactant molecules of photosynthesis get to the chloroplasts in leaves? Please name the...
How do the reactant molecules of photosynthesis get to the chloroplasts in leaves? Please name the reactants of photosynthesis and the parts of the plant involved in getting those reactants to the chloroplast and the processes used to get the reactants into the chloroplast.
3. Based on your results, how does light intensity effect photosynthesis? 4. Plants use photosynthesis to...
3. Based on your results, how does light intensity effect photosynthesis? 4. Plants use photosynthesis to make for the plant. 5. What do plants need in order to perform photosynthesis? NELLE 6. How is the plant able to obtain each "ingredient?" 7. Identify the plant cell organelle in which photosynthesis takes place. 8. Summarize the process of photosynthesis. Water and carbon enter the chloroplast... 9. What happens to the oxygen that is produced as a result of photosynthesis? 10. Why...
Questions Regarding Lab (Photosynthesis) A Name the specific organic molecule that is produced directly by photosynthesis:...
Questions Regarding Lab (Photosynthesis) A Name the specific organic molecule that is produced directly by photosynthesis: G3P B. Name the molecule that is removed from the environment during photosynthesis: CO2 C. During which process does the splitting water to release hydrogens and electrons occur? occur D. During which process does the fixing of carbon dioxide into carbohydrates occur? E. Name the structure by which carbon dioxide enters the leaf: F. Name the type of chemical reaction that results in the...
QUESTION 23 Xanthophyll is considered to be the dominant pigment of photosynthesis. O True O False
Photosynthesis is a biochemical process that allows autotrophic organisms to convert _____ energy into the _____ energy of organic molecules such a _____, a carbohydrate. Photosynthesis occurs in the _____, a double membrane organelle found in autotrophic organisms. Photosynthesis consists of the _____ reaction and the dark reaction. The _____ reaction occurs in the while the dark reaction occurs in the _____. The main pigment involved in photosynthesis are organized into clusters called _____ and _____. What is the cyclic...
CN de March Com Photosynthesis Worksheet 1. Write the overall reaction for photosynthesis 2. What does photosynthesis require in addition to water and carbon dioxide? 3. What is the principal pigment of plants? 4. Circle the letter of the region(s) of the visible spectrum in which chlorophyll absorbs light best a. blue region b. green region c. Ted Teston d. yellow region 3. Chloroplasts contain saclike photosynthetic membranes called 6. The fluid surrounding the thy lakoid membranes in the chloroplasts...
3. Based on your results, how does light intensity effect photosynthesis? 4. Plants use photosynthesis to make for the plant. 5. What do plants need in order to perform photosynthesis? NELLE 6. How is the plant able to obtain each "ingredient?" 7. Identify the plant cell organelle in which photosynthesis takes place. 8. Summarize the process of photosynthesis. Water and carbon enter the chloroplast... 9. What happens to the oxygen that is produced as a result of photosynthesis? 10. Why...
Questions Regarding Lab (Photosynthesis) A Name the specific organic molecule that is produced directly by photosynthesis: G3P B. Name the molecule that is removed from the environment during photosynthesis: CO2 C. During which process does the splitting water to release hydrogens and electrons occur? occur D. During which process does the fixing of carbon dioxide into carbohydrates occur? E. Name the structure by which carbon dioxide enters the leaf: F. Name the type of chemical reaction that results in the...
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