What does etioplast mean?
Definitions for etioplast
etio·plast
This dictionary definitions page includes all the possible meanings, example usage and translations of the word etioplast.
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Wiktionary
etioplastnoun
A chloroplast that has never been exposed to light
Wikipedia
Etioplast
Etioplasts are an intermediate type of plastid that develop from proplastids that have not been exposed to light, and convert into chloroplasts upon exposure to light. They are usually found in stem and leaf tissue of flowering plants (Angiosperms) grown either in complete darkness, or in extremely low-light conditions.
Wikidata
Etioplast
Etioplasts are chloroplasts that have not been exposed to light. They are usually found in flowering plants grown in the dark. If a plant is kept out of light for several days, its normal chloroplasts will actually convert into etioplasts. Etioplasts lack active pigment and can technically be considered leucoplasts. High concentrations of etioplasts will cause leaves to appear yellow rather than green. These plant organelles contain prolamellar bodies, which are membrane aggregations of semi-crystalline lattices of branched tubules that carry the precursor pigment for chlorophyll. The prolamellar bodies are often arranged in geometric patterns. They are converted to chloroplasts via the stimulation of chlorophyll synthesis by the plant hormone cytokinin soon after exposure to light. Thylakoids and grana arise from the prolamellar bodies during this process.
Numerology
Chaldean Numerology
The numerical value of etioplast in Chaldean Numerology is: 9
Pythagorean Numerology
The numerical value of etioplast in Pythagorean Numerology is: 9
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"etioplast." Definitions.net. STANDS4 LLC, 2024. Web. 23 Apr. 2024. <https://www.definitions.net/definition/etioplast>.
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