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Home > All Images > 1993 > October > 28 Oct 1993

Images Dated 28th October 1993

Choose from 5 pictures in our Images Dated 28th October 1993 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Chloroplast in cell of pea plant Featured 28 Oct 1993 Image

Chloroplast in cell of pea plant

Coloured transmisson electron micrograph of a chloroplast (green) sitting in the cytoplasm of a pea plant Pisum sativum. The chloroplast is the site of photosynthesis where carbohydrates are obtained from carbon dioxide using the energy from sunlight. The chloroplast is bound by a double membrane. Internally, it consists of stacks of flattened membranes called grana (threadlike) suspended in a matrix of hydrophilic proteins. The grana contain the chlorophyll pigments and are the sites of light reactions during photosynthesis. The orange at left is part of a nucleus and the orange strip at right is the cell wall. Magnification: x1680 at 6x4.5cm size