Molecular biology glossaries and terms

alpha/beta (α/β)-barrel

Biology; Biochemistry

A structure common to a large group of proteins, all of which are enzymes, defined by their similar structural motif. A ring of eight parallel β-strands makes up the core; the end of each β-strand is ...

C4 photosynthesis

Biology; Biochemistry

A variant of C 3 photosynthesis in which CO 2 is first concentrated at the site of photosynthesis by carboxylation of phosphoenolpyruvate to oxaloacetate, which is then transported as such or as an ...

C4 cycle

Biology; Biochemistry

A variant of C 3 photosynthesis in which CO 2 is first concentrated at the site of photosynthesis by carboxylation of phosphoenolpyruvate to oxaloacetate, which is then transported as such or as an ...

Hatch-Slack pathway

Biology; Biochemistry

A variant of C 3 photosynthesis in which CO 2 is first concentrated at the site of photosynthesis by carboxylation of phosphoenolpyruvate to oxaloacetate, which is then transported as such or as an ...

genomic library

Biology; Biochemistry

A collection of transformed cells, each of which contains DNA fragments; the entire population represents the total genome of an organism, e.g. a rat library containing DNA fragments which together ...

peripheral nervous system (PNS)

Biology; Biochemistry

A division of the nervous system of higher animals that consists of the neurons that extend from the spinal cord to skeletal muscles, glands, etc. and the neurons that return from these structures to ...

p

Biology; Biochemistry

In addition to use as the metric notation of pico (10 -9 ), it is commonly used to indicate the logarithm of a reciprocal, e.g. pK a =log(1/K a ). When seen as a prefix followed by a number, p ...

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