thread bacterium
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chemoreception — chemoreceptive /kee moh ri sep tiv, kem oh /, adj. /kee moh ri sep sheuhn, kem oh /, n. the physiological response to chemical stimuli. [1915 20; CHEMO + RECEPTION] * * * Sensory process by which organisms respond to external chemical stimuli, by … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Root nodule — Cross section though a soybean (Glycine max Essex ) root nodule. The bacterium, Bradyrhizobium japonicum, colonizes the roots and establishes a nitrogen fixing symbiosis. This high magnification image shows part of a cell with single bacteroids… … Wikipedia
microbiology — microbiological /muy kroh buy euh loj i keuhl/, microbiologic, adj. microbiologically, adv. microbiologist, n. /muy kroh buy ol euh jee/, n. the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic… … Universalium
Cotton — For other uses, see Cotton (disambiguation). Cotton Hi … Wikipedia
Pilus — Schematic drawing of bacterial conjugation. 1 Donor cell produces pilus. 2 Pilus attaches to recipient cell, brings the two cells together. 3 The mobile plasmid is nicked and a single strand of DNA is then transferred to the recipient cell. 4… … Wikipedia
Evolution of sexual reproduction — The evolution of sexual reproduction is currently described by several competing scientific hypotheses. All sexually reproducing organisms derive from a common ancestor which was a single celled eukaryotic species[1]. Many protists reproduce… … Wikipedia
Phage ecology — Bacteriophages (phages), potentially the most numerous organisms on Earth, are the viruses of bacteria (more generally, of prokaryotesThe term prokaryotes is useful to mean the sum of the bacteria and archaeabacteria but otherwise can be… … Wikipedia
Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… … Wikipedia
Craig Venter — J. Craig Venter Craig Venter in 2007 Born October 14, 1946 (194 … Wikipedia
