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Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double …

The reformation of all, or part of, the native conformation of a nucleic acid molecule after the molecule has undergone denaturation.

The chromosome region which is active in nucleolus formation and which functions in the synthesis of ribosomal RNA.

Subatomic particles that are either protons or neutrons.

The repeating structural units of chromatin, each consisting of approximately 200 base pairs of DNA wound around a protein core. This core is compose…

Commonly observed BASE SEQUENCE or nucleotide structural components which can be represented by a CONSENSUS SEQUENCE or a SEQUENCE LOGO.

Various components of food that are required for nourishment.

The processes and properties of living organisms by which they take in and balance the use of nutritive materials for energy, heat production, or bui…

The amounts of various substances in food needed by an organism to sustain healthy life.

State of the body in relation to the consumption and utilization of nutrients.

Any agent that adds not only sweet taste but some energy value to food. They include natural sugars such as SUCROSE; FRUCTOSE; and GALACTOSE; and cer…

An indication of the contribution of a food to the nutrient content of the diet. This value depends on the quantity of a food which is digested and a…

Botanically, a type of single-seeded fruit in which the pericarp enclosing the seed is a hard woody shell. In common usage the term is used loosely f…

Normal nystagmus produced by looking at objects moving across the field of vision.

Involuntary rhythmical movements of the eyes in the normal person. These can be naturally occurring as in end-position (end-point, end-stage, or devi…

Reduction in OCEAN WATER overall pH. Ocean acidification is linked to CORAL BLEACHING and may disturb other marine BIODIVERSITY.

A great expanse of continuous bodies of salt water which together cover more than 70 percent of the earth's surface. Seas may be partially or entirel…

Uptake of substances by tissues of the eye.

Processes and properties of the EYE as a whole or of any of its parts.

The process of TOOTH formation. It is divided into several stages including: the dental lamina stage, the bud stage, the cap stage, and the bell stag…

The volatile portions of chemical substances perceptible by the sense of smell.

Areas of the earth where hydrocarbon deposits of PETROLEUM and/or NATURAL GAS are located.

Oil extracted from fruit of the OLIVE TREE (genus Olea).

The GENETIC RECOMBINATION of the parts of two or more GENES, including an ONCOGENE as at least one of the fusion partners. Such gene fusions are ofte…

Genes whose gain-of-function alterations lead to NEOPLASTIC CELL TRANSFORMATION. They include, for example, genes for activators or stimulators of CE…

Zygote-containing cysts of sporozoan protozoa. Further development in an oocyst produces small individual infective organisms called SPOROZOITES. The…

The process of germ cell development in the female from the primordial germ cells through OOGONIA to the mature haploid ova (OVUM).

A sequence of successive nucleotide triplets that are read as CODONS specifying AMINO ACIDS and begin with an INITIATOR CODON and end with a stop cod…

The regulatory elements of an OPERON to which activators or repressors bind thereby effecting the transcription of GENES in the operon.

In bacteria, a group of metabolically related genes, with a common promoter, whose transcription into a single polycistronic MESSENGER RNA is under t…