1988-89 NASA space/gravitational biology accomplishments
Thora W. Halstead, United States. Office of Space Science and Applications, United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1990 - Science - 222 pages
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Abstract Accomplishments Finding acid activity afferent altered amplitude amyloplasts animals ASGSB Bulletin asymmetric atrophy auxin Biology bone cells bone formation calcium calmodulin cell wall cellular changes characterized circadian circadian rhythm clinostat coleoptiles collagen collagenase concentration culture curvature cytoplasmic decrease demonstrated Description of Research determine differentiation effects embryos environment enzyme ephyrae experiments extracellular fibers function gene glucocorticoids graviceptors gravistimulation gravitropic gravitropic response gravity growth hair cells hormone hypergravity hypocotyl increased indole-3-acetic acid inhibition isolated kinases laboratory levels light lignin mechanical membrane metabolism microgravity modulate molecular muscle mutant NASA nerve neural neurons normal occurs organs osteoblast otoconia pathway peroxidase plant cells Plant Physiology potential production proteins protonema pulvini rats receptor regulation renin rhythm role root cap rotational seedlings sensitivity sensory signal Significance skeletal soleus space spaceflight specific statoconia statocyst statolith stems stimulation stress studies synaptic synthesis temperature tissue transduction University vestibular wall peroxidase weightlessness