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guidebook    音标拼音: [g'ɑɪdb,ʊk]
n. 旅行指南,参考手册

旅行指南,参考手册

guidebook
n 1: something that offers basic information or instruction
[synonym: {guidebook}, {guide}]

Guidebook \Guide"book`\, n.
A book of directions and information for travelers, tourists,
etc.
[1913 Webster]

80 Moby Thesaurus words for "guidebook":
Baedeker, Yellow Pages, account, acquaintance, announcement,
bibliography, blue book, briefing, bulletin, business directory,
catalog, checklist, city directory, classified directory,
communication, communique, compendium, cookbook, cookery book,
data, datum, directory, dispatch, enchiridion, enlightenment,
evidence, facts, factual information, familiarization, field guide,
finding list, gen, general information, gradus, guide, handbook,
handlist, handout, hard information, how-to book,
incidental information, index, info, information, instruction,
intelligence, itinerary, knowledge, light, manual, mention,
message, nature book, notice, notification, phone book,
presentation, promotional material, proof, publication, publicity,
reference book, release, report, road map, roadbook, sidelight,
statement, telephone book, telephone directory, the dope,
the goods, the know, the scoop, transmission, travel book,
vade mecum, white book, white paper, word


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  • 26. 1: Structures of Amino Acids - Chemistry LibreTexts
    The amino acid threonine, (2 S,3 R)-2-amino-3-hydroxybutanoic acid, has two chirality centers Draw threonine, using normal, wedged, and dashed lines to show dimensionality
  • Threonine - Wikipedia
    Threonine is one of two proteinogenic amino acids with two stereogenic centers, the other being isoleucine Threonine can exist in four possible stereoisomers with the following configurations: (2 S,3 R), (2 R,3 S), (2 S,3 S) and (2 R,3 R)
  • Are All Amino Acids Chiral? A Key Biological Exception
    While most amino acids exhibit chirality, one standard amino acid stands out as an exception: glycine Glycine is unique because its R-group is simply another hydrogen atom This means that glycine’s alpha-carbon is bonded to two identical hydrogen atoms, along with the amino and carboxyl groups
  • 26. 1 Structures of Amino Acids - Organic Chemistry | OpenStax
    Except for glycine, H 2 NCH 2 CO 2 H, the α carbons of amino acids are chirality centers Two enantiomers of each are therefore possible, but nature uses only one to build proteins
  • Threonine - Thr - structure, function, properties, benefits | Amino . . .
    Threonine shares with isoleucine the distinction of having two chiral centers — the alpha carbon and the beta carbon in its side chain This means four stereoisomers exist in principle Nature uses only one: L-threonine, specifically (2S,3R)-threonine
  • Amino Acids with Two Chiral Centres - letstalkacademy. com
    Out of the 20 standard amino acids, Isoleucine and Threonine are the only two amino acids that have two chiral centres α-carbon – Connected to the amino group, carboxyl group, hydrogen, and a hydrocarbon chain β-carbon – Connected to a methyl group, forming a second chiral centre
  • Threonine chiral centers - Big Chemical Encyclopedia
    Isoleucine and threonine (Problem 26 3) are the only two amino acids with two chirality centers Assign R or 5 configuration to the methyl-bearing carbon atom of isoleucine
  • 26. 1 Structures of Amino Acids - ncstate. pressbooks. pub
    Except for glycine, H2NCH2CO2H, the α carbons of amino acids are chirality centers Two enantiomers of each are therefore possible, but nature uses only one to build proteins
  • CHEM 245 - Amino acids - Gonzaga University
    Glycine (G) and proline (P) are unique in terms of chirality (Gly is achiral) and the conformational flexibility they confer upon the polypeptide chain that incorporates them





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