Question:

In prokaryotes, chromatophores are

Updated On: Jul 5, 2022
  • specialized granules responsible for colouration of cells
  • structures responsbile for organizing the shape of the organism
  • inclusion bodies lying free inside the cells for carrying out various metabolic activities
  • internal membrane systems that may become extensive and complex in photosynthetic bacteria
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The Correct Option is D

Solution and Explanation

In some prokaryotes like photosynthetic bacteria and blue-green algae possess small member lined chromatophores which is similar to but chemicaly simpler than the chlorophyll of plants. The chromatophore is a simple spherical body that lacks the complex internal structure, typical of plant chloroplasts.
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Concepts Used:

Photosynthesis in Higher Plants

Processes Of Photosynthesis in Higher Plants:

Photosynthesis in higher plants involves the following processes:

  • Light Reaction
  • Dark Reaction

Light Reaction:

  • This phenomenon occurs in the presence of light.
  • The pigment absorbs light and produces energy in the form of ATP.
  • The process involves- absorption of light, water splitting, the release of oxygen, and formation of ATP and NADPH.

Dark Reaction:

This process occurs in the absence of light in the stroma of the chloroplasts. The following cycles are involved in the process:

  1. Calvin Cycle (C3 Cycle)
  2. C4 Cycle (Hatch and Slack Pathway)