- 行业: Government
- Number of terms: 30456
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
A perforated platelike structure in most echinoderms that forms the intake for their water vascular systems.
Industry:Natural environment
A small population that is just beginning to reproduce and become established in an area or community .
Industry:Natural environment
A triplet of nucleotide bases (codon) in trna (transfer RNA) that pairs with (is complementary to) a triplet in mrna (messenger RNA). For example, if the codon is UCG, the anticodon is AGC.
Industry:Natural environment
An electronic device that uses organic molecules to form a semiconductor; a microchip that uses tiny strands of DNA to latch onto and quickly recognize thousands of genes at a time; collection of miniaturized test sites (microarrays) arranged on a solid substrate that permits many tests to be performed at the same time in order to achieve higher throughput and speed. A biochip can perform thousands of biological reactions, such as decoding genes, in a few seconds. Biochips can also be used to rapidly detect chemical agents used in biological warfare so that defensive measures can be taken.
Industry:Natural environment
Energy at wavelengths from 400 - 700 nm that is detectable by the human eye.
Industry:Natural environment
In sponges, a tubular structure on the upper surface, upon which the osculum is situated. A fistule is frequently found on species that burrow into mud or excavate coral.
Industry:Natural environment
Reproduction or duplication; in genetics, the synthesis of duplex (double-stranded) DNA by copying from a single-stranded template, i.e., the synthesis of an informationally identical macromolecule from a template molecule.
Industry:Natural environment
