Txhaj tshuaj tiv thaiv txhais li cas?

Cov txheej txheem:

Txhaj tshuaj tiv thaiv txhais li cas?
Txhaj tshuaj tiv thaiv txhais li cas?
Anonim

Ib tshuaj tiv thaiv yog ib qho kev npaj lom neeg uas muab kev tiv thaiv kab mob kis tau rau ib tus kab mob sib kis. Cov tshuaj tiv thaiv feem ntau muaj tus neeg sawv cev uas zoo li cov kab mob ua rau kab mob thiab feem ntau yog tsim los ntawm cov kab mob tsis muaj zog lossis tua cov kab mob, nws cov co toxins, lossis ib qho ntawm nws cov proteins.

Kev tshuaj tiv thaiv yog dab tsi?

Kev txhaj tshuaj: Kev qhia txog tshuaj tiv thaiv rau hauv lub cev los tsim kev tiv thaiv los ntawm ib tus kab mob tshwj xeeb. Kev txhaj tshuaj tiv thaiv: Ib txoj hauv kev uas tus neeg tau txais kev tiv thaiv kab mob los ntawm kev txhaj tshuaj. Lo lus no feem ntau siv sib pauv nrog kev txhaj tshuaj lossis inoculation.

qhov sib txawv ntawm cov tshuaj tiv thaiv thiab tshuaj tiv thaiv dab tsi?

Tshuaj tiv thaiv yog kua lossis npaj nws tus kheej, thiab tshuaj tiv thaiv yog yam koj tau txais thaum ib tus neeg muab tshuaj tiv thaiv rau koj.

Yuav txhaj tshuaj tiv thaiv luv luv yog dab tsi?

txhaj tshuaj tiv thaiv yog dab tsi? Kev txhaj tshuaj yog ib qho yooj yim, nyab xeeb, thiab muaj txiaj ntsig zoo ntawm kev tiv thaiv koj tiv thaiv kab mob, ua ntej koj mus ntsib lawv. Nws siv koj lub cev tiv thaiv ntuj tsim los tiv thaiv cov kab mob tshwj xeeb thiab ua rau koj lub cev tiv thaiv kab mob muaj zog.

4 hom tshuaj tiv thaiv dab tsi?

Muaj plaub pawg tshuaj tiv thaiv hauv kev sim tshuaj: tus kab mob tag nrho, protein subunit, kab mob vector thiab nucleic acid (RNA thiab DNA).

Pom zoo:

Nthuav cov khoom
Puas yog homomorphism tib yam li isomorphism?
Nyeem ntxiv

Puas yog homomorphism tib yam li isomorphism?

Isomorphism yog homomorphism tshwj xeeb. Greek keeb kwm "homo" thiab "morph" ua ke txhais tau tias "zoo tib yam." Muaj ob qhov xwm txheej uas homomorphisms tshwm sim: thaum ib pab pawg yog ib pawg ntawm lwm pawg;

Yuav tau sawv los yog tshwm sim?
Nyeem ntxiv

Yuav tau sawv los yog tshwm sim?

Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Koj siv arose hauv kab lus li cas?

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?
Nyeem ntxiv

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?

Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.