Sentences with phrase «very small organisms»

Morris Animal Foundation - funded researcher Dr. Viveka Vadyvaloo, at Washington State University, is investigating the possibility that the plague bacteria Y. pestis is kept alive during non-disease cycles by very small organisms, single - celled animals called amoebae, living in the soil in plague - endemic areas.
Overview: Size Limits on Very Small Organisms Robert Folk's UT Austin nannobacteria web page University of Queensland nanobe research and findings Information Sheet on ALH 84001
In examining the cloudy water with one of his microscopes, Leeuwenhoek was surprised to find very small organisms swimming around.

Not exact matches

Recombinant DNA research has been done primarily on bacteria, one - celled organisms smaller than animal or plant cells and simpler in structure, yet capable of very complex chemical activity.
Darwinian evolution, on the other hand, proceeded stepwise, in very small increments, each successive step conferring slightly more survival advantage and thus increasing the chances of survival and reproduction for the organism, ensuring that the advantage is passed on and further increased by future increments.
Each genetic mutation produces only a very small change in the biological features of the organism, but such small changes accumulate over immense periods of time and lead to the evolution of new species from old.
Since the population of cells down there is small, most people thought they would just barely be able to eke out a living, that they were organisms with very few capabilities.
That means that of all the possible sequences of the four DNA letters — A, T, C, and G — only a very small subset is represented by the genomes of real organisms.
«Incredibly small groups of atoms, much too small to display exact statistical laws... play a dominating role in the very orderly and lawful events within a living organism.
The challenge was to explain how genes act lawfully, and cause organisms to behave lawfully, while being composed of a very small number of atoms, a significant proportion of which may be behaving unlawfully.
What's more, only a very small percentage (6 %) of proteins encoded by Pandoravirus salinus are similar to those already identified in other viruses or cellular organisms.
«What is surprising is that these simple organisms with a very small nervous system perform — or approximate — fairly complex, multistep, long - term planning strategies,» says Sharpee.
Instead of a crown of multicellular groups rising over relicts on long branches, the organisms «coalesced in a small number of very large groups,» he says.
Indeed out of hundreds of male or female fertility genes identified in diverse organisms, only a very small number of them are implicated specifically in reproduction in more than one lineage.
Life stars Jake Gyllenhaal, Rebecca Ferguson, Ryan Reynolds, Ariyon Bakare, Olga Dihovichnaya, and Hiroyuki Sanada and it revolves around the six - member crew of the International Space Station as they come into contact with the very first evidence of biological life on Mars: a small, single - celled organism.
Written by Deadpool and Zombieland scribes Rhett Reese and Paul Wernick, the film revolves around the six - member crew of the International Space Station as they come into contact with the very first evidence of biological life on Mars — a small, single - celled organism.
Salmon poisoning is caused by a rickettsial organism (a very small type of bacteria) that can be found within flukes (parasitic flatworms) infecting the tissues of wild fish found in coastal streams of the Pacific Northwest.
I am a practising medical practioner and acid - base balance is a very important part of the homeostasis of the organism, and small alterations of this have some profound effects.
After an extended period of use, the pore structure of a mechanical filter tightens up, and commensurately removes some smaller particles; but, this characteristic is not suitable for removal of all viruses, smaller parasitic organisms, and very fine solids.
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