113
Question
The chloroplasts of algae usually lack
The chloroplasts of algae usually lack
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Solution
The correct option is A Grana
- Chloroplasts are the green-colored plastids present in the plants and other protists such as Algae.
- The Green color of Chloroplast is due to the presence of chlorophyll pigments a and b which helps in photosynthesis.
- They are double membraned cell organelles with intermembrane space and have a disc-shaped structure called 'Thylakoids'. The group of thylakoids stacks to form Grana.
- Based on the endosymbiosis theory, the algae such as Red algae and the Cyanobacteria(blue-green algae) have no grana i.e., the thylakoids are unstacked and single.
- Therefore, the algal chloroplasts usually lack Grana.
- So, the correct answer is 'Grana'
- Chloroplasts are the green-colored plastids present in the plants and other protists such as Algae.
- The Green color of Chloroplast is due to the presence of chlorophyll pigments a and b which helps in photosynthesis.
- They are double membraned cell organelles with intermembrane space and have a disc-shaped structure called 'Thylakoids'. The group of thylakoids stacks to form Grana.
- Based on the endosymbiosis theory, the algae such as Red algae and the Cyanobacteria(blue-green algae) have no grana i.e., the thylakoids are unstacked and single.
- Therefore, the algal chloroplasts usually lack Grana.
- So, the correct answer is 'Grana'
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