Cell wall, nucleus, and organelles of onion bulb scale epidermis cells

RMID:EBXPKD

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Contributor:

Heiti Paves / Alamy Stock Photo

Image ID:

EBXPKD

File size:

48.9 MB (2.3 MB Compressed download)

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Dimensions:

5064 x 3376 px | 42.9 x 28.6 cm | 16.9 x 11.3 inches | 300dpi

Date taken:

4 December 2014

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biology botanical bulb cell cell wall cytoplasm epidermis laboratory leaf microscopy mitochondria nucleus onion organelle plant research

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RMEBXPK2–Cell wall, nucleus, and organelles of onion bulb scale epidermis cells

RMRHM27T–. Biological structure and function; proceedings. Biochemistry; Cytology. i^ f- m cw. '^12 Fu;. 12. This is identified as the external margin of an epidermal cell of the onion root tip. The nucleus is at A^, a nuclear envelope at ne. Organelles of the cytoplasm include mitochondria (ni), dictyosomes (d), proplastids (pp), and endoplasmic reticulum (er). The surface of the protoplast and its relation to the extracellular wall (nu) are the points of major interest. It appears that the wall has been put down in layers, reflecting, possibly, phases of wall formation. The surface of the protoplast