Qhov no tsuas txhais tau tias muaj ob peb daim ntawv cog lus tam sim no. Cov roj zaub tuaj yeem hloov los ntawm cov kua mus rau cov khib nyiab los ntawm cov tshuaj tiv thaiv hydrogenation. Margarines thiab shortenings yog "hardened" nyob rau hauv no txoj kev ua kom lawv cov khoom los yog semi-solids.
Dab tsi txiav txim siab txog kev coj ntawm carbohydrates?
Txoj kev taw qhia ntawm carbs yog teev los ntawm the isomerization ntawm carbohydrate lossis qab zib monomers molecules thiab kev tiv thaiv kev teeb tsa xws li dextrorotatory lossis levorotatory ntawm carbohydrates.
Thaum koj pom 3 thiab 5 qhov no yog hais txog nucleic acid txoj kev taw qhia thiab tshwj xeeb rau cov pa roj carbon monoxide nyob hauv?
Lub 5 'thiab 3' tshwj xeeb yog xa mus rau 5th thiab 3rd carbon atoms hauv deoxyribose/ribose qab zib nplhaib. Cov pab pawg phosphate txuas mus rau 5' kawg ntawm ib qho nucleotide thiab pawg hydroxyl ntawm 3' kawg ntawm lwm nucleotide muaj peev xwm tsim phospodiester bonds, thiab yog li txuas cov nucleotides uas nyob ib sab.
Tus txheej txheem ntawm kev muab monomers ua ke hu ua dab tsi?
Dab tsi yog txheej txheem ntawm kev muab monomers ua ke hu ua? dehydration synthesis vim tias cov monomers tau sau los ua ke thiab ua kom cov polymer los ntawm lub cev qhuav dej lossis tshem tawm cov dej molecule.
Dab tsi yog qhov taw qhia hauv kev zom cov protein?
Vim cov qauv ntawm cov amino acids,ib tug polypeptide saw muaj directionality, txhais tau hais tias nws muaj ob xaus uas yog tshuaj sib txawv ntawm ib leeg. Ntawm qhov kawg, cov polypeptide muaj cov amino pawg dawb, thiab qhov kawg no hu ua amino terminus (los yog N-terminus).
