All > Science > Biotechnology and Genetics > Food Biotechnology
See: sex chromosome.
- Browse Related Terms: allosome, autosome, Barr body, embryo sexing, Hemizygous, semen sexing, sex linkage, x, X-chromosome, Y chromosome
All > Science > Biotechnology and Genetics > Human Genome
One of the two sex chromosomes, X and Y. See also: X chromosome, sex chromosome
- Browse Related Terms: autosome, Chromosomal deletion, Chromosome, cytogenetic map, cytogenetics, Deletion, fluorescence in situ hybridization (FISH), Homologous recombination, Insertion, karyotype, Nucleolar organizing region, Nucleus, sex-linked, Spectral karyotype (SKY), X-chromosome, Y chromosome
All > Science > Biotechnology and Genetics > Stem Cell
The chromosome which determines male gender.
- Browse Related Terms: aneuploid, autosome, Chromosomes, Diploid, Diploid human cell, genome, haploid, Hox genes, karyotype, Maternal gene product, Metaphase, mitosis, Nucleus, X inactivation, Y chromosome
All > Science > Biotechnology and Genetics > Food Biotechnology
Abbreviation for yeast artificial chromosome.
- Browse Related Terms: BAC, chromosome aberration, HAC, human artificial chromosome, mega yeast artificial chromosome, semi-sterility, YAC
All > Science > Energy > Renewable Energy > Solar Energy
A wind-carved rock ridge feature found in desert environments.
- Browse Related Terms: Dune, Intaglio, Laydown area, Petroglyph, Pictograph, Rock art, Yardang
All > Science > Energy > Renewable Energy
A machine used in yarding timber.
- Browse Related Terms: Buck, Butt log, Cable yarding, Choker, Cull section, Fell, Feller-buncher, Forwarder, Green logging, Log choker, Roundwood, Skidder, Turn of logs, Yarder, Yarding
All > Science > Energy > Renewable Energy
The initial movement of logs from the point of felling to a central loading area or landing.
- Browse Related Terms: Buck, Butt log, Cable yarding, Choker, Cull section, Fell, Feller-buncher, Forwarder, Green logging, Log choker, Roundwood, Skidder, Turn of logs, Yarder, Yarding
All > Science > Energy > Renewable Energy
A logging contract requirement to remove and pile unmerchantable woody material of a specified size. Usually required in timber sale contracts on publicly-owned land.
- Browse Related Terms: C unit (CCF), Chipper, Cull, Decibels (dBA), Hand pile, Merchantable, Mortality, Piling unmerchantable material (PUM), Scaled sale, Tree measurement sale, Yarding unmerchantable material (YUM)
The rotation of a horizontal axis wind turbine around its tower or vertical axis.
- Browse Related Terms: Axial Flow Turbine, Downwind Wind Turbine, Gin Pole, Guy Wire, Horizontal-Axis Wind Turbines, Hub Height, Induction Motor, One-Axis Tracking, Solar Two, Squirrel Cage Motor, Stall, Vertical-Axis Wind Turbine (VAWT), Windmill, Yaw
Yesterday
- Browse Related Terms: ABT, ABV, ACRS, AFT, AFTR, AGN, ALG, ALTHO, AMD, AOA, AOB, ARND, AVBL, BCM, BCMNG, BFR, BGN, BHND, BLO, BLV, BRF, BTR, BTWN, BYD, CFC, CHGS, CLR, DMSH, DURG, EBND, EFCT, ELSW, ENDG, ERLY, EXCLD, FASTST, FM, FTHR, GEN, GNRL, GRT, GRTST, GTR, HND, HV, HWVR, IMPT, INDC, LN, LRG, LTL, LTR, LTST, MDNGT, METRO, MISC, MISG, MNLY, MR, MSTLY, NBND, NEC, NIL, NLY, NMBR, NR, NWLY, NWRD, NWRN, NXT, OTR, OTRW, OVR, PCT, PRBLY, PSBL, PSBLY, QG, RIOGD, RTRD, RW, SBND, SEWD, SGFNT, SPCLY, SS-, Sun Dog, SVRL, SWWD, SXN, TDA, THRFTR, THRU, THRUT, TIL, TWD, WBND, WL, XCITED, YDA
The period during which the Earth completes one revolution around the sun.
- Browse Related Terms: Anthelion, Aphelion, apogee, Crepuscular Rays, disk, Halo, Parhelion, Perigee, Perihelion, Photosphere, Rainbow, Right Ascension, Sun Pillar, Tidal Cycle, Tide Prediction, Undersun, Year
All > Science > Biotechnology and Genetics > Food Biotechnology
A unicellular ascomycete fungus, commonly found as a contaminant in plant tissue culture.
All > Science > Energy > Renewable Energy > Biomass
Any of various single-cell fungi capable of fermenting carbohydrates.
- Browse Related Terms: aerobic fermentation, Annual, batch fermentation, Batch Process, beer, Capital cost, continuous fermentation, distillers dried grains (DDG), inoculum, mash, wort, yeast
All > Science > Biotechnology and Genetics > Food Biotechnology
(Abbreviation: YAC ). A vector which can be propagated in budding yeast (Saccharamyces pombe), consisting of the minimal elements required for a chromosome to replicate, and allowing for the cloning of large DNA fragments (hundreds of kilobase pairs ).
- Browse Related Terms: amplify, bacterial artificial chromosome, bacteriophage, Bacteriophage (phage or phage particle), bifunctional vector, cloning vehicle, forced cloning, gene cloning, integrating vector, lambda phage, library, mini-prep, phagemids, post-replication repair, targeting vector, yeast artificial chromosome
All > Science > Biotechnology and Genetics > Human Genome
Constructed from yeast DNA, it is a vector used to clone large DNA fragments. See also: cloning vector, cosmid
Extremely large segments of DNA from another species spliced into DNA of yeast. YACs are used to clone up to one million bases of foreign DNA into a host cell, where the DNA is propagated along with the yeast cell's other chromosomes. See also chromosome, cloning
- Browse Related Terms: bacterial artificial chromosome (BAC), bacteriophage, Cloning vector, cosmid, Embryonic stem (ES) cells, Insertional mutation, Microinjection, nuclear transfer, P1-derived artificial chromosome (PAC), Phage, Plasmid, Retroviral infection, Transfection, Vector, Virus, yeast artificial chromosome (YAC)
All > Science > Biotechnology and Genetics > Food Biotechnology
(Abbreviation: YEp). A cloning plasmid vector for the yeast Saccharomyces cerevisiae maintained as an extrachromosomal nuclear DNA molecule.
- Browse Related Terms: hnRNA, LINE, SINE, small nuclear ribonucleoprotein, small nuclear RNA, snRNA, snRNP, yeast episomal vector
All > Science > Biotechnology and Genetics > Food Biotechnology
A mixture of substances from yeast. See: organic complex ..
- Browse Related Terms: anabolism, analogous, Carcinogen, chemotaxis, Culture medium, double recessive, ecotype, Gene frequency, malt extract, metastasis, nutrient cycle, yeast extract
All > Science > Energy > Alternative Fuels
Second-hand cooking oil that can be used to produce biodiesel.
- Browse Related Terms: Alternative Fuels, Biochemical, Biochemical Conversion, Biomass, Electricity, Feedstocks, Gasoline Gallon Equivalent (GGE), Negative Energy Balance, Positive Energy Balance, Tallow, Thermochemical, Yellow Grease
Snow given a golden or yellow appearance by the presence in it of pine, cypress pollen, or anthropogenic material or animal-produced material.
- Browse Related Terms: Ablation, Avalanche, Bowen Ratio, Bright Band, BS, Cryology, Diamond dust, Freshet, Graupel, Ground Blizzard Warning, Powder Snow, Quality of Snow, Radioisotope Snow Gage, s, Satellite Hydrology Program, SG, Small Hail, SN, Snow Density, Snow Stake, Snow Stick, Snow Water Equivalent, Snowboard, Snowflake, SWE, Weighing-Type Precipitation Gage, Yellow Snow
The quantity of water that can be collected for a given use from surface or ground water sources. See safe yield.
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All > Science > Biotechnology and Genetics > Stem Cell
Vital to the embryo for the formation of primordial and other cells that form the embryo. In mammals, it is small and devoid of a yolk.
- Browse Related Terms: Anterior visceral endoderm (AVE), Embryonic stem (ES) cells, embryonic stem cells, Neural crest, Notochord, Population doublings, Primitive streak, retinoic acid, Syncytiotrophoblast, Twinning, Yolk sac
- Refers to young (usually fish) produced in one reproductive year. Small fish, hatched from eggs spawned in the current year, are considered young-of-year (age 0).
- Browse Related Terms: AFRP, Alevin, Anadromous, Angler-day, Cold-water fishery, Fish weir, Forage fish, Hatchery, ichthyology, Juvenile, Nonconsumptive water uses, Rough fish, Salmonids, Spawn, Warm-water fishery, Wetlands, Wildlife Refuge, Young-of-year
All > Science > Weather > Climate Change
interval of abrupt climate changes approximately 12,700-11,500 years ago. The name is derived from the Dryas plant, a cold-loving plant that pollen records indicate was widespread in Europe during this period.
- Browse Related Terms: Alberta Low, Barograph, chinook, Holocene epoch, Isohyet, Katabatic wind, Pleistocene epoch, Quaternary period, Thermograph, Younger Dryas