Dab tsi yog tshuaj lom neeg ntawm cov ntaub plaub?

Cov txheej txheem:

Dab tsi yog tshuaj lom neeg ntawm cov ntaub plaub?
Dab tsi yog tshuaj lom neeg ntawm cov ntaub plaub?

Video: Dab tsi yog tshuaj lom neeg ntawm cov ntaub plaub?

Video: Dab tsi yog tshuaj lom neeg ntawm cov ntaub plaub?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Hlis ntuj nqeg
Anonim

Nws yog protein fiber; nws muaj qee cov protein tshwj xeeb xws li keratin. Keratin yog cov tshuaj tseem ceeb ntawm cov ntaub plaub.

Yuav ua li cas yog tshuaj lom neeg ntawm txhob lo lo ntxhuav thiab ntaub plaub?

Silk yog natural protein fiber, muaj feem ntau ntawm fibroin thiab yog tsim los ntawm silkworm larvae. Silk (78% protein) muaj zog ntau dua li ntaub plaub txawm hais tias ob qho tib si yog cov proteins ua los ntawm cov amino acids chains.

Yuav ua li cas yog cov tshuaj ntawm cov ntaub plaub Cas yog cov ntaub los ntawm yaj?

Wool los ntawm yaj! Wool belongs rau ib pawg ntawm cov proteins(tshuaj!) hu ua keratins. Tsis zoo li paj rwb thiab feem ntau ntawm cov hluavtaws fibers, ntaub plaub tsis muaj homogenous qauv.

Cov tshuaj muaj pes tsawg leeg ntawm paj rwb yog dab tsi?

Tom qab txhuam thiab tshuaj dawb, paj rwb yog 99% cellulose. Cellulose yog ib tug macromolecule – ib tug polymer ua los ntawm ib tug ntev saw ntawm qabzib molecules txuas los ntawm C-1 mus rau C-4 oxygen txuas hniav nrog tshem tawm cov dej (glycoside bonds).

Puas yog paj rwb ua los ntawm cov hlwb?

paj rwb fibers yog ib leeg-celled extensions ntawm cov noob epidermis. Lawv tuaj yeem raug cais tawm hauv daim ntawv dawb huv raws li lawv tau dhau los ua qhov sib txawv nrog rau cov txheej txheem phab ntsa ntawm cov phab ntsa hauv lub sijhawm elongation thiab ze li ntawm cov cellulose synthesis ntshiab thaum lub sij hawm phab ntsa thickening.

Pom zoo: