Q. 34.0( 3 Votes )
Cyanobacteria and some other photosynthetic bacteria don’t have chloroplasts. How do they conduct photosynthesis?
Chloroplasts are not present in cyanobacteria’s and other photosynthetic bacteria. But in their inner membrane they have folds where photosynthesis takes place. You have bluish pigment phycocyanin to take photo-synthesis with solar energy.
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In the figure given below, the black line (upper) indicates action spectrum for photosynthesis and the lighter line (lower) indicates the absorption spectrum of chlorophyll a. Answer the following.
a. What does the action spectrum indicate? How can we plot an action spectrum?
b. How can we derive an absorption spectrum for any substance?
Biology - Exemplar
What can we conclude from the statement that the action and absorption spectrum of photosynthesis overlap? At which wavelength do they show peaks?Biology - Exemplar
Which property of the pigment is responsible for its ability to initiate the process of photosynthesis? Why is the rate of photosynthesis higher in the red and blue regions of the spectrum of light?Biology - Exemplar
Cyanobacteria and some other photosynthetic bacteria don’t have chloroplasts. How do they conduct photosynthesis?Biology - Exemplar
Tomatoes, carrots and chillies are red in colour due to the presence of one pigment. Name the pigment. Is it a photosynthetic pigment?Biology - Exemplar
Where is NADP reductase enzyme located in the chloroplast? What is the role of this enzyme in proton gradient development?Biology - Exemplar