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Sol Spiegelman (December 14, 1914 – January 21, 1983) was an American molecular biologist. He developed the technique of nucleic acid hybridization , which helped to lay the groundwork for advances in recombinant DNA technology.
Solid sol Example: cranberry glass In biology, the most relevant forms of phase separation are either liquid–liquid or liquid–solid, although there have been reports of gas vesicles surrounded by a phase separated protein coat in the cytoplasm of some microorganisms.
The ectoplasm consists of a gelatinous semisolid called plasma gel whereas the endoplasm is made up of a less viscous fluid called plasma sol. The ectoplasm owes its highly viscous state, in part, to the cross-linking actomyosin complex. Locomotion of an amoeba is thought to occur due to the sol-gel conversion of the protoplasm within its cell.
The test formats are relatively the same compared to the TAKS test in 3-8 grade, however in 9-11th grade end of course tests will be taken to supplement the normal tests taken while the TAKS was still in effect. The STAAR end-of-course assessments are, in their respective order: English I, II; Algebra I; Biology; U.S. History
Tests of sufficiency in biology are used to determine if the presence of an element permits the biological phenomenon to occur. In other words, if sufficient conditions are met, the targeted event is able to take place. However, this does not mean that the absence of a sufficient biological element inhibits the biological event from occurring.
This behavior has been documented in many species, including Actinosphaerium nucleofilum, Actinophrys sol, and Raphidiophrys contractilis. [ 10 ] [ 11 ] [ 12 ] The rapid axopodial contraction occurs at high speed, often in excess of 5mm/s or tens of body lengths per second.
The first studies measuring drugs in biological fluids were carried out to determine possible overdosing as part of the new science of forensic medicine/toxicology. ...
The McDonald–Kreitman test [1] is a statistical test often used by evolutionary and population biologists to detect and measure the amount of adaptive evolution within a species by determining whether adaptive evolution has occurred, and the proportion of substitutions that resulted from positive selection (also known as directional selection).