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Longman Dictionary of Contemporary English
▪ Animals and human volunteers will be maintained at various atmospheric pressures and oxygen concentrations while their biochemistry is monitored.
▪ Applicants should have a degree in biochemistry, molecular biology, cell biology or a similar background.
▪ By contrast with such complexities, the rest of the biochemistry is relatively straight forward.
▪ By form here is meant anything from their biochemistry and internal structure to their behaviour.
▪ It was still a long way from biochemistry, i.e. the understanding of how these substances functioned in the living organism.
▪ Social anthropology is not just a branch of biochemistry.
▪ The science may be old and well established as in mechanics, or novel as in biochemistry.
▪ The small intestinal mucosa was studied by histology, morphometry, biochemistry, and electron microscopy.
The Collaborative International Dictionary

Biochemistry \Bi`o*chem"is*try\, n. [Gr. bi`os life + E. chemistry.] (Biol.) The chemistry of living organisms; the chemistry of the processes incidental to, and characteristic of, life.

Douglas Harper's Etymology Dictionary

also bio-chemistry, 1857, from bio- + chemistry.


n. 1 (context uncountable English) The chemistry of those compounds that occur in living organisms, and the processes that occur in their metabolism and catabolism 2 (context countable English) The chemical characteristics of a particular living organism 3 (context countable English) The biochemical activity associated with a particular chemical or condition


n. the organic chemistry of compounds and processes occuring in organisms; the effort to understand biology within the context of chemistry


Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms. By controlling information flow through biochemical signaling and the flow of chemical energy through metabolism, biochemical processes give rise to the complexity of life. Over the last decades of the 20th century, biochemistry has become so successful at explaining living processes that now almost all areas of the life sciences from botany to medicine to genetics are engaged in biochemical research. Today, the main focus of pure biochemistry is on understanding how biological molecules give rise to the processes that occur within living cells, which in turn relates greatly to the study and understanding of tissues, organs, and whole organisms—that is, all of biology.

Biochemistry is closely related to molecular biology, the study of the molecular mechanisms by which genetic information encoded in DNA is able to result in the processes of life. Depending on the exact definition of the terms used, molecular biology can be thought of as a branch of biochemistry, or biochemistry as a tool with which to investigate and study molecular biology.

Much of biochemistry deals with the structures, functions and interactions of biological macromolecules, such as proteins, nucleic acids, carbohydrates and lipids, which provide the structure of cells and perform many of the functions associated with life. The chemistry of the cell also depends on the reactions of smaller molecules and ions. These can be inorganic, for example water and metal ions, or organic, for example the amino acids, which are used to synthesize proteins. The mechanisms by which cells harness energy from their environment via chemical reactions are known as metabolism. The findings of biochemistry are applied primarily in medicine, nutrition, and agriculture. In medicine, biochemists investigate the causes and cures of diseases. In nutrition, they study how to maintain health and study the effects of nutritional deficiencies. In agriculture, biochemists investigate soil and fertilizers, and try to discover ways to improve crop cultivation, crop storage and pest control.

Biochemistry (journal)

Biochemistry is a peer-reviewed academic journal in the field of biochemistry. Founded in 1962, the journal is now published weekly by the American Chemical Society, with 51 or 52 annual issues. The journal's 2014 impact factor was 3.015, and it received a total of 90,842 citations in 2012.

Since 2004, the Editor-in-Chief has been Richard N. Armstrong ( Vanderbilt University School of Medicine, USA).

Biochemistry (Stryer)

Biochemistry is a common university textbook used for teaching of biochemistry. It was initially written by Professor Lubert Stryer and published by W. H. Freeman in 1975. It has been published in regular editions since. It is commonly used as an undergraduate teaching textbook or reference work.

More recent editions have been co-written by Jeremy Berg, John L. Tymoczko and Gregory J. Gatto, Jr and published by Palgrave Macmillan. As of 2015, the book has been published in 8 editions. Macmillan have also published additional teaching supplements such as course materials based on the book.

Usage examples of "biochemistry".

He got experimental amaranth that Novinha had rejected for human use because it was too closely akin to Lusitanian biochemistry, and he taught the piggies how to plant it and harvest it and prepare it as food.

In order to do this I had to analyze the Awbrian biochemistry and the biome of the hex and see if what I wanted was possible.

When he was not toiling at the cuckoo-clock factory, most of his spare time was spent either in his workshop or at the public library poring laboriously over treatises on genetics, cytology, cytogenetics, biochemistry, and any number of other subjects he did not understand-but which his subconscious absorbed very effectively indeed.

Skinner has failed to comprehend is that at the very moment that he himself elucidated the process, this whole process of natural selection ceased to be deterministic, just as the insights of McLuhan and psychopharmacology have shattered the determinism of brain biochemistry and the sensorium.

Somewhere in the biochemistry of the Earthite, there is the secret of that immunity.

It should prove to be of wide interest in the study of the biochemistry of fossil organisms and the geochemistry of fossilization, subject which have not until now received the attention they deserve, due to the lack of suitable material for experiment.

Procedures such as isoelectric focusing were foreign to me and produced results that could not be verified by the naked eye, much less by someone who knew little about biochemistry.

That gave Rayat a good idea of how fragile bezeri biochemistry was, and how long it took them to recover their population numbers from the last disaster.

Bartenders in these sorts of places, frequented by different and unique biochemistries, were more xenoalchemists than simple pourers of drinks.

While Jan finished his senior year as a biochemistry major at the University of Maryland, he worked part-time at AFRRI, the Armed Forces Radiobiology Research Institute.

But because the brain is such a finely equilibrated and dynamic system, with great capacities for self-adjustment and control, the effect of disrupting its biochemistry by flooding it, via a pill, with some drug which affects protein synthesis, or particular neurotransmitters or neuromodulators, is more likely to be the equivalent of trying to retune a radio or reprogram a computer by jamming a screwdriver into its circuit boards.

Matthew Jarpe has had such diverse jobs as biology undergrad student, biochemistry grad student, biochemistry post-doc, and biochemist.

Moscow-region institutes into the Enzyme project: the Institute of Protein, the Institute of Molecular Biology, the Institute of Biochemistry and Physiology of Microorganisms, and the Institute of Bioorganic Chemistry.

Spectroscopy revealed that the surface water was full of intriguing molecular debris, but guessing the relationship of any of it to the living carpets was like trying to reconstruct flesher biochemistry by studying their ashes.

By studying the biochemistry of extremophiles, scientists can guess at the types of organism that can be found on other planets.