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Liquid in Biological Definition

Chromatography

... takes a chemical mixture carried by liquid or gas and separates it into its component ... solutes as they flow around or over a stationary liquid or solid phase. Various techniques for the ... affinities of substances for a gas or liquid mobile medium and for a stationary adsorbing ...

Diffusion

... occurs when discrete particles diffuse in a liquid medium. Since the energy is thermal, the mass of ... diffusion In the case of laminar flow of a liquid flowing past a solid surface, momentum diffuses ... The gradient in this case is between the liquid in contact with the surface (which isn't moving ...

Ethyl alcohol

... 15.9 pH 7.0 (Neutral) liquid properties Δ f H 0 liquid -277.38 kJ / mol S 0 liquid 159.9 J/molK C p 112.4 J/molK ...

Blood

... are differences in blood between species. Humans Human blood is a liquid tissue ; its major function is to transport oxygen necessary to life ... The other 55% is blood plasma , a yellowish fluid that is the blood's liquid medium. The normal pH of human arterial blood is approximately 7.40. ...

Cilium

... cilia exclusively and use them for either locomotion or to simply move liquid over their surface. Most other organisms that have motile cilia use them only to move liquid over their cell's surface. Motile cilia are almost never found alone, ...

Cytoplasm

... as hyaloplasm . The watery component can be more or less gel -like or liquid depending on the milieu's conditions and the activity phases of the cell. ... and is a viscid solid mass. In the second case, called cytosol , is a liquid in movement. In general, margin regions of the cell are gel-like and the ...

Fermentation

... of manifold which acts as a strainer allowing for the separation of the liquid from the grain. A mash rest at 104 F or 40 C activates beta-glucanase ... is the result, with less alcohol. After the mashing of the resulting liquid is strained from the grains in a process known as lautering. At this ...

Life

... life are currently focusing on planets and moons believed to possess liquid water, at present or in the past. Recent evidence from the NASA rovers ... life, especially Europa , which seems to possess oceans of liquid water. See also artificial life biological life cycle ...

Lipid

... liquid, the entropy (state of disorder) of the polar molecules in the liquid increases. This is essentially a form of phase separation, similar to the ... the critical micelle concentration the lipids form a single layer on the liquid surface and are dispersed in solution. At the first critical micelle ...

Oswald Avery

... in concept. Bacteria are able to transfer genetic material through a liquid medium to other bacteria, transforming (giving new genetic ... Therefore if bacteria transform when an organic molecule is placed in liquid with them, then that molecule holds genetic information. For the ...

Blood plasma

... Blood plasma is a component of blood . It is the liquid in which blood cells are suspended. Blood plasma contains proteins , ... as well as a portion of gel with a density designed to sit between the liquid and cellular layers in the tube after centrifugation, making separation ...

Stem cell

... blood is processed and depleted of red blood cells before being stored in liquid nitrogen for later use, at which point it is thawed, washed of the ... cells, which are known to evolve into blood cells and treat them with a liquid to make them proliferate, 2. Create an environment to mimic the conditions ...

Affinity chromatography

... by adding the initial mixture to the solid phase in a vessel, mixing, separating the solid phase (by centrifugation for example), removing the liquid phase, washing, re-centrifuging , adding the elution buffer , re-centrifuging and removing the eluate. Sometimes a hybrid method is employed, ...

Cell nucleus

... on ER images.) Inside the nucleus is one or several nucleoli surrounded by a fibrous matrix called the nucleoplasm . The nucleoplasm is a liquid with a gel-like consistency (similar in this respect to the cytoplasm ), in which many substances are dissolved. These substances include nucleotide ...

Lung

... of soft, shock -absorbent protection for the heart , which the lungs flank and nearly enclose. See also mechanical ventilation liquid breathing External links Dr D.R. Johnson: Introductory anatomy, respiratory system Franlink Institute Online: The Respiratory System ...

Macromolecule

... as subunits (see e.g. protein subunit ). Substances that are composed of macromolecules often have unusual physical properties. The properties of liquid crystals and such elastomers as rubber are examples. Although too small to see, individual pieces of DNA in solution can be broken in two simply ...

Microbiology

... may be frozen for long periods of time. Even if 90% of the cells are killed by the freezing process, there are millions of cells in a milliliter of liquid culture. These traits allowed Joshua and Esther Lederberg to devise an elegant experiment in 1951 demonstrating that adaptive mutations arise ...

Nephron

... branch quickly into very small capillaries that make up the glomerulus of the nephron. The blood pressure within the capillaries squeezes liquid into the Bowman's capsule . This process is known as ultra-filtration. The solids, including the blood cells , platelets , and large proteins ...

Reduction

... of an instance of one problem into an equivalent instance of another. In cooking , reduction is the process of thickening a liquid mixture such as a sauce by evaporation . In chemistry , reduction is the reverse of oxidation, i.e. the formal oxidation state of an ...

Starch

... . Agar , carrageenan , gelatins and pectins are used in very much the same way. Household Clothing starch or laundry starch is a liquid that is prepared by mixing a vegetable starch in water (earlier preparations also had to be boiled), and is used in the laundering of clothes . ...

Vacuole

... ergastic according to some authors (Esau, 1965). Vacuoles are especially conspicuous in most plant cells. Vacuoles are typically filled with a liquid called cell sap , the composition of which can vary (even between vacuoles in the same cell), but is principally water . Water tends to move along ...

Astrobiology

... surface of Mars. A future mission with a strong exobiology role will be JIMO , designed to study the frozen moons of Jupiter, some of which may have liquid water. For these reasons the search for extraterrestrial life is of great relevance to xenobiologists. Some contend that the number of planets with ...

X-ray crystallography

... . This can be a painstaking procedure for macromolecules such as protein and DNA complexes. The crystals are harvested and often frozen with liquid nitrogen . Freezing crystals both reduces radiation damage incurred during data collection and decreases thermal motion within the crystal. Crystals ...
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