酸zhòngyīngguànyònglìgōu:
  • cuò yì yī gè rna luó xuán tǐ zhōng bāo hán de yī gè yīn tū biàn 'ér gǎi biàn mì mǎ zǐ de bù fēn， tā néng biān mǎ chéng wéi lìng yī zhǒng bù tóng de 'ān jī suān
    A section within a strand of messenger RNA containing a codon altered through mutation so that it codes for a different amino acid.
  • tū biàn， biàn zhǒng tū biàn fā shēng de guò chéng， shì tōng guò jī yīn de tuō yǎng hé táng hé suān mì mǎ de hé gān suān shùn xù de gǎi biàn huò zhě tōng guò rǎn sè tǐ nèi bù de wù lǐ chóngxīn pái liè
    The process by which such a sudden structural change occurs, either through an alteration in the nucleotide sequence of the DNA coding for a gene or through a change in the physical arrangement of a chromosome.
  • sān hé gān suān， mì mǎ zǐ
    A triplet of nucleotides; a codon.
  • jiān bìng mì mǎ zǐ de yòu bù zhǐ yī gè mì mǎ zǐ lái zhǐ dìng tóng yàng de 'ān jī suān 。 yòng yú yī zhǒng yí chuán jī yīn
    Having more than one codon specify the same amino acid. Used of a genetic code.
  • fǎn mì mǎ zǐ zài dàn bái zhì hé chéng guò chéng zhōng， chuán sòng zhě rna zhōng de xiāng guān mì mǎ zǐ yǔ mǒu zhǒng 'ān jī suān jié hé， zài chuán sòng rna guò chéng zhōng chū xiàn de sān gè xiāng lín de hé gān suān xù liè
    A sequence of three adjacent nucleotides in transfer RNA designating a specific amino acid that binds to a corresponding codon in messenger RNA during protein synthesis.
  • （ shāng biāo） yī zhǒng péng guī suān yán bō lí， péng zhàng shuài dī， yòng yú zhì pēng rèn hé huà xué yòng kàng rè bō lí qì jù。
    (trademark) a borosilicate glass with a low coefficient of expansion; used for heat-resistant glassware in cooking and chemistry.
  • lái zì wéi tā mìng b yān suān de fǔ méi。
    a coenzyme derived from the B vitamin nicotinic acid.
  • fǔ 'ān suān ān jī suān ， huà xué shì wéi c4h8ncooh， cún zài yú dà duō shù dàn bái zhì zhōng， shì jiāo yuán dàn bái de zhù yào chéngfèn
    An amino acid, C4H8NCOOH, that is found in most proteins and is a major constituent of collagen.
  • guī suān yán zhì dì cáng pǐn bǎo hù jì shù
    Technique of Silicate Collection Conservation
  • jiāo mù sù， mù mián yī zhǒng jí yì rán de xiāo suān xiān wéi sù， yòng yú zhì zào gǔ mián， sù liào hé qī
    A highly flammable nitrocellulose used in the manufacture of collodion, plastics, and lacquers.
  • xiāo huà xiān wéi sù yī zhǒng róu ruǎn de huò lèi sì mián wù de jù hé tǐ， yóu jīng liú suān hé xiāo suān chǔlǐ guò de xiān wéi sù huò dé， yòng yú zhà yào、 jiāo mián、 sù liào yǐ jí gù tǐ rán liào de shēng chǎn zhōng
    A pulpy or cottonlike polymer derived from cellulose treated with sulfuric and nitric acids and used in the manufacture of explosives, collodion, plastics, and solid monopropellants.
  • gǔ xiān 'àn yī zhǒng fēi bì xū de 'ān jī suān ， c5h10n2o3， dà liàng de hán yú dòng zhí wù zǔ zhì， dà liàng shēng chǎn yòng yú yī yào hé shēng huà yán jiū
    A nonessential amino acid, C5H10N2O3, occurring widely in plant and animal tissue and produced commercially for use in medicine and biochemical research.
  • yī zhǒng shuǐ yáng suān yán yào wù（ bāo kuò xǔ duō yī bān de yào jì）。
    a salt of salicylic acid (including several commonly used drugs).
  • xiāo suān de dàn de、 yóu dàn zǔ chéng de huò hán dàn de， yóu zhǐ huà hé jià zhuàng tài gāo yú qí tā xiāng sì de hán dàn huà hé wù de
    Of, derived from, or containing nitrogen, especially in a valence state higher than that in a comparable nitrous compound.
  • hán（ sān jià） dàn de dàn de， yóu dàn yǎn shēng de huò hán dàn de， yóu zhǐ zài qí huà hé jià dī yú qí xiāng yìng de xiāo suān huà hé wù de qíng kuàng xià
    Of, derived from, or containing nitrogen, especially in a valence state lower than that in a comparable nitric compound.
  • chú liǎo tàn suǒ xīn de tuō yǎng hé táng hé suān (dna) gè tǐ shí bié xì tǒng wài， gāi zǔ bìng jì xù zēng jiā qí dna fēn xíng de zī liào kù， xī wàng zài yī jiǔ jiǔ bā nián zhōng， jù hé ? liàn fǎn yìng de jì shù， kě yǐ guǎng fàn dì yìng yòng yú suǒ yòu shè jí shēng huà jiǎn yàn de 'àn jiàn zhōng。
    Compilation of databases continues as does development of further systems. It is hoped that the PCR technique will form the basis of all biochemical casework by the middle of 1998.
  • huí wén jié gòu hán yòu shuāng gǔ tuō yǎng hé táng hé suān de yī bù fēn， qí zhōng de hé gān suān xì liè de yī gǔ diān dǎo shùn xù lái dú qǔ jí wéi hù bǔ de yī gǔ
    A segment of double-stranded DNA in which the nucleotide sequence of one strand reads in reverse order to that of the complementary strand.
  • zuò wéi hàn de yī zhǒng chéngfèn de suān 。
    an acid that is a component of perspiration.
  • suān xìng de hán gāo nóng dù suān de
    Having a high concentration of acid.
  • rǎn sè zhì， hé rǎn zhì xì bāo hé zhōng yóu hé suān yǔ dàn bái zhì zǔ chéng de hé suān fù hé wù， róng yì bèi jī běn rǎn liào rǎn sè， zài xì bāo fēn liè qī huì nóng suō 'ér xíng chéng rǎn sè tǐ
    A complex of nucleic acids and proteins in the cell nucleus that stains readily with basic dyes and condenses to form chromosomes during cell division.
  • guò shǎo shí yòng yú de fù nǚ kě tōng guò shǎo liàng shè rù yú huò yú yóu zhōng suǒ hán de ω-3 zhī fáng suān lái fáng zhǐ zǎo chǎn hé chū shēng yīng 'ér tǐ zhòng guò qīng。
    In women with zero or low intake of fish, small amounts of Ω-3 fatty acids provided as fish or fish oil may confer protection against preterm delivery and low birth weight.
  • yī zhǒng nián xìng de duō táng suān ， cún zài yú tǐ nèi de lián jiē zǔ zhì hé rùn huá yè zhōng。
    a viscous polysaccharide acid found in connective tissues and in lubricating fluids in the body.
  • yī shēng gào sù chá 'ěr sī měi tiān hē yī dà bēi suān méi zhī néng gǎi shàn biàn mì。
    The doctor told Charles to drink a large glass of prune juice every day to help his constipation.
  • tuō yǎng hé gān suān yī zhǒng hé gān suān ， hán yòu gòu chéng dna de chéngfèn héng héng tuō yǎng hé táng
    A nucleotide containing deoxyribose that is a constituent of DNA.
  • yī zhǒng gài de lín suān yán， shì dòng wù gǔ de zhù yào chéngfèn。
    a phosphate of calcium; a main constituent of animal bones.
  • zài zhòng duō de hé liú、 húpō、 xiǎo xī hé hǎi yáng de wū rǎn wù zhōng， suān yǔ hé zhòng jīn shǔ zhǐ shì qí zhōng de shǎo shù jǐ zhǒng。
    Acid rain and heavy metals are only a few of the many pollutants that contaminate rivers, lakes, streams, seas, and oceans.
  • lín suān jī suān yī zhǒng yòu jī huà hé wù， c4h10n3o5p， cháng jiàn yú jī ròu zǔ zhì， kě yǐ wéi jī ròu shōu suō cún chǔ hé tí gōng néng liàng
    An organic compound, C4H10N3O5P, found in muscle tissue and capable of storing and providing energy for muscular contraction.
  • jī suān yī zhǒng hán dàn de yòu jī suān ， c4h9n3o2， zhù yào yǐ lín suān jī suān de xíng shì fā xiàn yú jǐ chuí dòng wù de jī ròu xì bāo zǔ zhì zhōng， bìng kě wéi jī ròu wěi suō tí gōng néng liàng
    A nitrogenous organic acid, C4H9N3O2, that is found in the muscle tissue of vertebrates mainly in the form of phosphocreatine and supplies energy for muscle contraction.
  • jī ròu xì bāo zhōng de hé gān suān ， duì xīn chén dài xiè yòu zhòng yào zuò yòng， néng kě nì dì zhuǎn huà wéi adp hé atp。
    a nucleotide found in muscle cells and important in metabolism; reversibly convertible to ADP and ATP.
  • liú suān tóng róng yè shì shénme yán sè？
    What color is copper sulfate solution?
  • yī zhǒng tóng yán， yóu liú suān zuò yòng yú yǎng huà tóng 'ér shēng chéng。
    a copper salt made by the action of sulfuric acid on copper oxide.
  • dà duō shù réndōu zhī dào， liú suān yǔ tóng huà hé qǐ fǎn yìng， shēng chéng liú suān tóng。
    That sulfuric acid reacts with copper, forming copper sulfate is known to most people.