Roots

The older parts of roots are sheathed in layers of dead cork cells impregnated with a waxy, waterproof (and airproof) substance called suberin. This sheath reduces water loss but is as impervious to oxygen and carbon dioxide as it is to water.
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Roots of a hydroponically grown plant
At the tip of every growing root is a conical covering of tissue called the vascular plants cap. It usually is not visible to the naked eye.
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Roots of abolitionism
Saint Patrick, the 5th-century British bishop who popularized Christianity in Ireland, was perhaps the first writer to advocate the abolition of slavery.
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roots: the structures of vascular plants that anchor them to the ground and take in water and minerals from the soil.
rough endoplasmic reticulum: ER studded with ribosomes; the site of protein synthesis in eukaryotic cells.
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Roots have extensions of the root epidemal cells known as root hairs. While root hairs greatly enhance the surface area (hence absorbtion surface), ...
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rootstock. An underground stem or rhizome; lower portion of a graft which develops into the root system.
rosette. A cluster of leaves arranged in a compact circular pattern, often at a shoot tip or on a shortened stem.
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prop roots Adventitious roots arising on a stem above the ground and imparting some mechanical support to plants. The angled roots may provide for absorption of water and nutrients.
propagation The process of increasing in number.
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STREC's roots, while respectful and incorporative of science, are historically judicial. They lie in the Congressional Reference jurisdiction of the U. S.
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adventitious roots -- A root that grows from somewhere other than the primary root, for example, roots that arise from stems or leaves.
alternation of generations -- Life cycle in which haploid and diploid generations alternate with each other.
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adventitious roots
Roots that have differentiated from the kinds of tissue other than root tissue.
Covered in Lab 7 Thalloid and Vascular Plant Organization ...
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Fungi that form symbiotic relationships with roots of more developed plants. N National Institutions of Health (NIH). A nonregulatory agency which has oversight of research activities that the agency funds. National Science Foundation (NSF).
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Parasite: A plant without chlorophyll that obtains its nutrients by tapping into the branches, stems or roots of living green plants Perennial: a plant that lives more than two years Phreatophyte: A desert shrub with a long trap root that enables ...
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They trace their roots back to 1986 when we accepted a contract with the National Cancer Institute to collect and survey African plant species in an attempt to develop new anti-cancer drugs or new AIDS medicines. We have continued that relationship.
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That the teeth might have been misplaced after the death of Piltdown man was considered but an X-ray showed the lower contact surfaces of the roots were correctly positioned.
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Popular belief held that this plant grew where the semen sometimes ejaculated by hanged men during the last convulsive spasms before death fell to the ground, and its roots vaguley resemble a human form to varying degrees.
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[Gk. rhizoma, mass of roots]
A visual pigment consisting of retinal and opsin. When rhodopsin absorbs light, the retinal changes shape and dissociates from the opsin, after which it is converted back to its original form.
ribonucleic acid (RNA) ...
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central cylinder of united vascular bundles in the roots and stems of dicotyledonous seed plants
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
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The enlargement or swelling on roots of nitrogen-fixing plants. The nodules contain symbiotic nitrogen fixing bacteria.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Plants move minerals (inorganic ions) into their roots by active transport.
The gills of marine fish have cells that can remove salt from the body by pumping it into the salt water.
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Mycorrhizae. Fungi that form symbiotic relationships with roots of more developed plants.
N
National Institutions of Health (NIH). A nonregulatory agency which has oversight of research activities that the agency funds.
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These are in bold, with prefixes and suffixes followed or preceded by a hyphen, respectively. Roots have no hyphens. I have left words as lower case except in those cases where capitalization is necessary (named pathways for example).Glossary ...
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